diff --git a/nmap/Makefile b/nmap/Makefile
index 57b7bd69..3dd51785 100644
--- a/nmap/Makefile
+++ b/nmap/Makefile
@@ -31,12 +31,12 @@ INC_DIR		=	includes/
 OBJ_DIR		=	objs/
 
 SRC_BASE	=	\
-format.c\
-ip.c\
-listener.c\
-main.c\
+scanners.c\
 parser.c\
-scanners.c
+main.c\
+capture.c\
+format.c\
+ip.c
 
 SRCS		=	$(addprefix $(SRC_DIR), $(SRC_BASE))
 OBJS		=	$(addprefix $(OBJ_DIR), $(SRC_BASE:.c=.o))
diff --git a/nmap/includes/nmap.h b/nmap/includes/nmap.h
index 3a0c9449..ccb839d5 100644
--- a/nmap/includes/nmap.h
+++ b/nmap/includes/nmap.h
@@ -95,7 +95,7 @@ chan				nmap_parse(int ac, char **av);
 void				nmap_format(chan results);
 
 coroutine void		nmap_scan_tcp(chan results, t_job job);
-chan				nmap_listener(ipaddr dst, ipaddr src);
+pcap_t				*nmap_capture(ipaddr dst, ipaddr src);
 
 /*
 **	IP helpers
diff --git a/nmap/libft/Makefile b/nmap/libft/Makefile
index 50818e25..93486da8 100644
--- a/nmap/libft/Makefile
+++ b/nmap/libft/Makefile
@@ -24,191 +24,190 @@ OBJ_DIR		=	objs/
 
 SRC_BASE	= \
 btree/btree_apply_by_level.c\
-btree/btree_apply_infix.c\
-btree/btree_apply_prefix.c\
-btree/btree_apply_suffix.c\
-btree/btree_create_node.c\
 btree/btree_del.c\
 btree/btree_delone.c\
-btree/btree_insert_data.c\
-btree/btree_level_count.c\
-btree/btree_map.c\
-btree/btree_print.c\
 btree/btree_search_item.c\
-char/ft_isalnum.c\
-char/ft_isalpha.c\
-char/ft_isascii.c\
-char/ft_isdigit.c\
-char/ft_isprint.c\
-char/ft_tolower.c\
-char/ft_toupper.c\
-cliopts/cliopts_get.c\
-cliopts/cliopts_getmap.c\
-color/ft_color_mk.c\
-color/ft_color_mkif.c\
-color/ft_color_reset.c\
-color/ft_color_set.c\
-dlst/ft_dlstadd_after.c\
-dlst/ft_dlstadd_before.c\
-dlst/ft_dlstdel.c\
-dlst/ft_dlstdelone.c\
-dlst/ft_dlstlast.c\
-dlst/ft_dlstnew.c\
-dlst/ft_dlstrtostr.c\
-dlst/ft_dlstsize.c\
-error/error.c\
-error/ft_usage.c\
-ft_printf/ft_conversion.c\
-ft_printf/ft_fmt_simplify.c\
-ft_printf/ft_fmt_validate_conv.c\
-ft_printf/ft_fmt_validate_flags.c\
-ft_printf/ft_fmt_validate_mod.c\
-ft_printf/ft_printf.c\
-ft_printf/ft_printf_color.c\
-ft_printf/ft_printf_parse.c\
-ft_printf/ft_transform.c\
-ft_printf/ft_vprintf.c\
-ft_printf/lib_fmt.c\
-ft_printf/lib_fmt_error.c\
-ft_printf/lib_pad.c\
-ft_printf/lib_pad_sharp.c\
-get_next_line/get_next_line.c\
-lst/ft_id.c\
-lst/ft_lst2str.c\
-lst/ft_lst_at.c\
-lst/ft_lst_bfree.c\
-lst/ft_lst_cfree.c\
-lst/ft_lst_delif.c\
-lst/ft_lst_delsub.c\
-lst/ft_lst_filter.c\
-lst/ft_lst_filterout.c\
-lst/ft_lst_find.c\
-lst/ft_lst_merge.c\
-lst/ft_lst_order_delsub.c\
-lst/ft_lst_pop.c\
-lst/ft_lst_print.c\
-lst/ft_lst_print2.c\
-lst/ft_lst_removeif.c\
-lst/ft_lst_reverse.c\
-lst/ft_lst_size.c\
-lst/ft_lst_sorted_insert.c\
-lst/ft_lst_sorted_merge.c\
-lst/ft_lstadd.c\
-lst/ft_lstdel.c\
-lst/ft_lstdelone.c\
-lst/ft_lsteadd.c\
-lst/ft_lstiter.c\
-lst/ft_lstlast.c\
-lst/ft_lstmap.c\
-lst/ft_lstnadd.c\
-lst/ft_lstnew.c\
-lst/ft_lstnew_range.c\
-lst/ft_lstsort.c\
-lst/lst_insert_sort.c\
-lst/pop.c\
-lst/push.c\
-lst/top.c\
-math/bitfield.c\
-math/ft_addrcmp.c\
-math/ft_ilen.c\
-math/ft_ilen_base.c\
-math/ft_itoa.c\
-math/ft_itoa_base.c\
-math/ft_lllen.c\
-math/ft_lllen_base.c\
-math/ft_lltoa_base.c\
-math/ft_uilen.c\
-math/ft_uitoa_base.c\
-math/ft_ulltoa_base.c\
-math/id.c\
-mem/ft_bzero.c\
-mem/ft_malloc.c\
-mem/ft_memalloc.c\
-mem/ft_memccpy.c\
-mem/ft_memchr.c\
-mem/ft_memcmp.c\
-mem/ft_memcpy.c\
-mem/ft_memdel.c\
-mem/ft_memmove.c\
-mem/ft_memset.c\
-mem/ft_realloc.c\
-net/cksum.c\
-net/create_client.c\
-net/create_server.c\
-net/host.c\
-net/ip.c\
-net/net_get.c\
-net/net_send.c\
-net/prettypacket.c\
-net/reserve_port.c\
-net/tcp.c\
-path/ft_path_notdir.c\
+btree/btree_create_node.c\
+btree/btree_apply_suffix.c\
+btree/btree_level_count.c\
+btree/btree_insert_data.c\
+btree/btree_apply_prefix.c\
+btree/btree_print.c\
+btree/btree_apply_infix.c\
+btree/btree_map.c\
 printing/ft_putchar.c\
 printing/ft_putendl.c\
+printing/hexdump.c\
 printing/ft_putnbr.c\
 printing/ft_putstr.c\
-printing/hexdump.c\
-rs/rs.c\
-sstr/ft_sstradd.c\
-sstr/ft_sstrcat.c\
+cliopts/cliopts_getmap.c\
+cliopts/cliopts_get.c\
+error/error.c\
+error/ft_usage.c\
+get_next_line/get_next_line.c\
+path/ft_path_notdir.c\
+lst/ft_lst_at.c\
+lst/ft_lst_size.c\
+lst/ft_lst_sorted_merge.c\
+lst/ft_id.c\
+lst/ft_lstnew.c\
+lst/ft_lst_bfree.c\
+lst/push.c\
+lst/ft_lstadd.c\
+lst/ft_lstsort.c\
+lst/ft_lst_find.c\
+lst/ft_lstnew_range.c\
+lst/ft_lst_print.c\
+lst/top.c\
+lst/ft_lstnadd.c\
+lst/ft_lst_reverse.c\
+lst/ft_lst_filter.c\
+lst/ft_lst_delif.c\
+lst/ft_lstdelone.c\
+lst/ft_lst_order_delsub.c\
+lst/ft_lsteadd.c\
+lst/ft_lst_print2.c\
+lst/ft_lst_pop.c\
+lst/ft_lst_cfree.c\
+lst/ft_lst2str.c\
+lst/ft_lst_removeif.c\
+lst/ft_lstlast.c\
+lst/ft_lst_delsub.c\
+lst/ft_lst_filterout.c\
+lst/lst_insert_sort.c\
+lst/ft_lst_sorted_insert.c\
+lst/ft_lstiter.c\
+lst/pop.c\
+lst/ft_lstmap.c\
+lst/ft_lstdel.c\
+lst/ft_lst_merge.c\
+sstr/ft_sstrmerge.c\
+sstr/ft_sstrstr.c\
+sstr/ft_sstrsort.c\
 sstr/ft_sstrdel.c\
 sstr/ft_sstrdup.c\
+sstr/ft_sstradd.c\
+sstr/ft_sstrcat.c\
 sstr/ft_sstrfree.c\
-sstr/ft_sstrmerge.c\
 sstr/ft_sstrprint.c\
 sstr/ft_sstrprint_fd.c\
-sstr/ft_sstrsort.c\
-sstr/ft_sstrstr.c\
-str/ft_atoi.c\
-str/ft_convert_base.c\
-str/ft_putaddr_fd.c\
-str/ft_split_whitespaces.c\
-str/ft_str3join.c\
-str/ft_strappend.c\
-str/ft_strbetween.c\
-str/ft_strcat.c\
-str/ft_strcatf.c\
-str/ft_strchr.c\
-str/ft_strchrcpy.c\
-str/ft_strclr.c\
-str/ft_strcmp.c\
-str/ft_strcpy.c\
-str/ft_strcspn.c\
-str/ft_strcut.c\
-str/ft_strdel.c\
-str/ft_strdup.c\
-str/ft_strdupchr.c\
-str/ft_strduptr.c\
-str/ft_strequ.c\
-str/ft_strinsert.c\
-str/ft_stris.c\
-str/ft_striter.c\
-str/ft_striteri.c\
-str/ft_strjoin.c\
-str/ft_strlcat.c\
-str/ft_strlen.c\
-str/ft_strlenchr.c\
-str/ft_strmap.c\
-str/ft_strmapi.c\
-str/ft_strncat.c\
-str/ft_strncmp.c\
-str/ft_strncpy.c\
-str/ft_strndup.c\
-str/ft_strnequ.c\
-str/ft_strnew.c\
-str/ft_strnstr.c\
-str/ft_strrchr.c\
-str/ft_strreplace.c\
-str/ft_strrev.c\
-str/ft_strsepjoin.c\
-str/ft_strsplit.c\
+char/ft_toupper.c\
+char/ft_isprint.c\
+char/ft_isalpha.c\
+char/ft_isascii.c\
+char/ft_tolower.c\
+char/ft_isalnum.c\
+char/ft_isdigit.c\
+color/ft_color_set.c\
+color/ft_color_reset.c\
+color/ft_color_mk.c\
+color/ft_color_mkif.c\
+net/host.c\
+net/create_client.c\
+net/net_get.c\
+net/net_send.c\
+net/reserve_port.c\
+net/tcp.c\
+net/prettypacket.c\
+net/ip.c\
+net/create_server.c\
+net/cksum.c\
+dlst/ft_dlstrtostr.c\
+dlst/ft_dlstdel.c\
+dlst/ft_dlstadd_after.c\
+dlst/ft_dlstdelone.c\
+dlst/ft_dlstsize.c\
+dlst/ft_dlstadd_before.c\
+dlst/ft_dlstnew.c\
+dlst/ft_dlstlast.c\
+rs/rs.c\
+mem/ft_memmove.c\
+mem/ft_realloc.c\
+mem/ft_memcpy.c\
+mem/ft_memchr.c\
+mem/ft_malloc.c\
+mem/ft_memalloc.c\
+mem/ft_memset.c\
+mem/ft_memdel.c\
+mem/ft_memcmp.c\
+mem/ft_bzero.c\
+mem/ft_memccpy.c\
+time/epoch.c\
 str/ft_strstr.c\
-str/ft_strsub.c\
-str/ft_strtok.c\
+str/ft_strlenchr.c\
+str/ft_strcpy.c\
+str/ft_str3join.c\
+str/ft_striteri.c\
+str/ft_strappend.c\
+str/ft_strclr.c\
+str/ft_strnew.c\
+str/ft_strmapi.c\
+str/ft_strcatf.c\
+str/ft_strdup.c\
+str/ft_striter.c\
+str/ft_strncmp.c\
 str/ft_strtrim.c\
+str/ft_strduptr.c\
+str/ft_split_whitespaces.c\
+str/ft_strbetween.c\
+str/ft_strdupchr.c\
+str/ft_strsub.c\
+str/ft_strsepjoin.c\
+str/ft_strlcat.c\
+str/ft_strcspn.c\
+str/ft_strchr.c\
+str/ft_strequ.c\
+str/ft_strcat.c\
+str/ft_strlen.c\
+str/ft_strsplit.c\
+str/ft_strrchr.c\
+str/ft_strjoin.c\
+str/ft_strncat.c\
+str/ft_strmap.c\
+str/ft_strcmp.c\
+str/ft_putaddr_fd.c\
+str/ft_strchrcpy.c\
+str/ft_strrev.c\
+str/ft_strinsert.c\
+str/ft_strnequ.c\
 str/hexstring.c\
+str/ft_strncpy.c\
+str/ft_strcut.c\
+str/ft_strndup.c\
+str/ft_convert_base.c\
+str/ft_strreplace.c\
+str/ft_atoi.c\
+str/ft_stris.c\
+str/ft_strdel.c\
+str/ft_strtok.c\
+str/ft_strnstr.c\
 sys/open_new.c\
-time/epoch.c
+ft_printf/ft_conversion.c\
+ft_printf/lib_fmt.c\
+ft_printf/ft_printf_parse.c\
+ft_printf/ft_fmt_simplify.c\
+ft_printf/ft_vprintf.c\
+ft_printf/ft_transform.c\
+ft_printf/ft_printf_color.c\
+ft_printf/ft_printf.c\
+ft_printf/lib_pad_sharp.c\
+ft_printf/ft_fmt_validate_mod.c\
+ft_printf/lib_pad.c\
+ft_printf/lib_fmt_error.c\
+ft_printf/ft_fmt_validate_conv.c\
+ft_printf/ft_fmt_validate_flags.c\
+math/ft_uilen.c\
+math/ft_ilen_base.c\
+math/ft_ilen.c\
+math/ft_itoa_base.c\
+math/ft_lllen_base.c\
+math/ft_addrcmp.c\
+math/ft_lllen.c\
+math/ft_itoa.c\
+math/ft_lltoa_base.c\
+math/id.c\
+math/ft_ulltoa_base.c\
+math/ft_uitoa_base.c
 
 SRCS		=	$(addprefix $(SRC_DIR), $(SRC_BASE))
 OBJS		=	$(addprefix $(OBJ_DIR), $(SRC_BASE:.c=.o))
diff --git a/nmap/libft/includes/error.h b/nmap/libft/includes/error.h
index 3780ad8f..7532026c 100644
--- a/nmap/libft/includes/error.h
+++ b/nmap/libft/includes/error.h
@@ -21,7 +21,7 @@
 */
 # define DG_MSG		"{inv}{ran}%5i{yel}%21s {bol}{blu}%-3d{eoc}"
 # define DG_ARGS	getpid(), getpid(), ft_path_notdir(__FILE__), __LINE__
-# define DG(s, ...)	ft_dprintf(STDBUG,DG_MSG s "{eoc}\n",DG_ARGS,##__VA_ARGS__)
+# define DG(s, ...)	ft_dprintf(STDERR,DG_MSG s "{eoc}\n",DG_ARGS,##__VA_ARGS__)
 
 /*
 ** DEBUG with no malloc
diff --git a/nmap/libft/includes/mytime.h b/nmap/libft/includes/ft_time.h
similarity index 96%
rename from nmap/libft/includes/mytime.h
rename to nmap/libft/includes/ft_time.h
index ce8c9a83..728b727a 100644
--- a/nmap/libft/includes/mytime.h
+++ b/nmap/libft/includes/ft_time.h
@@ -10,8 +10,8 @@
 /*                                                                            */
 /* ************************************************************************** */
 
-#ifndef MYTIME_H
-# define MYTIME_H
+#ifndef TIME_H
+# define TIME_H
 
 # include <sys/time.h>
 
diff --git a/nmap/libft/includes/libft.h b/nmap/libft/includes/libft.h
index cb09b1ae..bc23f163 100644
--- a/nmap/libft/includes/libft.h
+++ b/nmap/libft/includes/libft.h
@@ -20,7 +20,8 @@
 # include <unistd.h>
 # include <stdio.h>
 # include <stdlib.h>
-# include <time.h>
+# include <stdint.h>
+# include <ft_time.h>
 
 # include "ft_types.h"
 # include "error.h"
@@ -35,7 +36,7 @@
 # include "str.h"
 # include "sstr.h"
 # include "math.h"
-# include "mytime.h"
+# include "time.h"
 # include "get_next_line.h"
 # include "sys.h"
 # include "net.h"
diff --git a/nmap/libft/includes/math.h b/nmap/libft/includes/math.h
index 50907a61..5dbc6749 100644
--- a/nmap/libft/includes/math.h
+++ b/nmap/libft/includes/math.h
@@ -36,14 +36,4 @@ size_t	ft_lllen_base(long long n, int base);
 int		ft_addrcmp(void *a, void *b);
 void	*id(void *data);
 
-typedef uint64_t		t_bitblock;
-#define BITFIELD(var, size)	t_bitblock var[size / sizeof(t_bitblock) + 1]\
-										= {[0] = size}
-#define BLOCKSIZE			(8 * sizeof(t_bitblock))
-
-
-extern inline void		bitfield_biton(t_bitblock field[], uint64_t bit);
-extern inline void		bitfield_bitoff(t_bitblock field[], uint64_t bit);
-extern inline uint64_t	bitfield_lsb(t_bitblock field[]);
-
 #endif
diff --git a/nmap/libft/includes/net.h b/nmap/libft/includes/net.h
index f5a2d81a..4d4a5ffb 100644
--- a/nmap/libft/includes/net.h
+++ b/nmap/libft/includes/net.h
@@ -26,14 +26,14 @@
 # include <netinet/ip_icmp.h>
 # include <arpa/inet.h>
 
-# include "mytime.h"
+# include "ft_time.h"
 
 /*
 **	utilities
 */
 
 int				reserve_port(int s, struct sockaddr *sa);
-unsigned short	cksum(void *b, int len);
+unsigned short	cksum(const void *b, size_t len);
 int				host_format(struct sockaddr *addr);
 
 /*
@@ -69,5 +69,8 @@ void			tcp_hdrinit(struct tcphdr *header);
 **		prettypacket
 */
 int				prettypacket(void *pkt, size_t size);
+void			tcp_print(const char *packet_buffer, int size);
+void			udp_print(const char *packet_buffer, int size);
+
 
 #endif
diff --git a/nmap/libft/includes/prettypacket.h b/nmap/libft/includes/prettypacket.h
index 585a3f61..97f7b0c5 100644
--- a/nmap/libft/includes/prettypacket.h
+++ b/nmap/libft/includes/prettypacket.h
@@ -18,78 +18,6 @@
 #include <string.h>
 #include "hexstring.h"
 
-/**
- * Enable disable colored output (enabled by default)
- */
-static int colored_output = 1;
-
-/**
- * List of available colors
- */
-static const char *colors[] = {
-    /// Black
-    "\\e[0;30m",
-    /// Red
-    "\\e[0;31m",
-    /// Green
-    "\\e[0;32m",
-    /// Yellow
-    "\\e[0;33m",
-    /// Blue
-    "\\e[0;34m",
-    /// Purple
-    "\\e[0;35m",
-    /// Cyan
-    "\\e[0;36m",
-    /// White
-    "\\e[0;37m",
-};
-
-/**
- * Reset color
- */
-static const char *color_reset = "\\e[0m";
-
-/**
- * Default terminal rows
- */
-static const int rows = 24;
-
-/**
- * Default terminal columns
- */
-static const int cols = 80;
-
-/**
- * Example ARP packet
- */
-static const char arp_packet[] = "\xFF\xFF\xFF\xFF\xFF\xFF\xAA\x00\x04\x00\x0A\x04\x08\x06\x00\x01\x08\x00\x06\x04\x00\x01\xAA\x00\x04\x00\x0A\x04\xC0\xA8\x01\x09\x00\x00\x00\x00\x00\x00\xC0\xA8\x01\x04";
-
-/**
- * Example TCP packet
- */
-static const char tcp_packet[] = "\x1C\xAF\xF7\x6B\x0E\x4D\xAA\x00\x04\x00\x0A\x04\x08\x00\x45\x00\x00\x34\x5A\xAE\x40\x00\x40\x06\x5E\x67\xC0\xA8\x01\x09\x58\xBF\x67\x3E\x9B\x44\x00\x50\x8E\xB5\xC6\xAC\x15\x93\x47\x9E\x80\x10\x00\x58\xA5\xA0\x00\x00\x01\x01\x08\x0A\x00\x09\xC3\xB2\x42\x5B\xFA\xD6";
-
-/**
- * Example ICMP packet
- */
-static const char icmp_packet[] = "\x1C\xAF\xF7\x6B\x0E\x4D\xAA\x00\x04\x00\x0A\x04\x08\x00\x45\x00\x00\x54\x00\x00\x40\x00\x40\x01\x54\x4E\xC0\xA8\x01\x09\xC0\xA8\x64\x01\x08\x00\x34\x98\xD7\x10\x00\x01\x5B\x68\x98\x4C\x00\x00\x00\x00\x2D\xCE\x0C\x00\x00\x00\x00\x00\x10\x11\x12\x13\x14\x15\x16\x17\x18\x19\x1A\x1B\x1C\x1D\x1E\x1F\x20\x21\x22\x23\x24\x25\x26\x27\x28\x29\x2A\x2B\x2C\x2D\x2E\x2F\x30\x31\x32\x33\x34\x35\x36\x37";
-
-/**
- * Example UDP packet
- */
-static const char udp_packet[] = "\x1C\xAF\xF7\x6B\x0E\x4D\xAA\x00\x04\x00\x0A\x04\x08\x00\x45\x00\x00\x3C\x9B\x23\x00\x00\x40\x11\x70\xBC\xC0\xA8\x01\x09\xD0\x43\xDC\xDC\x91\x02\x00\x35\x00\x28\x6F\x0B\xAE\x9C\x01\x00\x00\x01\x00\x00\x00\x00\x00\x00\x03\x77\x77\x77\x06\x67\x6F\x6F\x67\x6C\x65\x03\x63\x6F\x6D\x00\x00\x01\x00\x01";
-
-/**
- * Example IGMP packet
- */
-static const char igmp_packet[] = "\x1C\xAF\xF7\x6B\x0E\x4D\xAA\x00\x04\x00\x0A\x04\x08\x00\x45\x00\x00\x1C\x00\x00\x40\x00\x40\x02\x54\x4E\xC0\xA8\x01\x09\xC0\xA8\x64\x01\x11\xFF\x0D\xFF\xE0\x00\x00\x01";
-
-/**
- * Example Spanning Tree Protocol (STP) packet
- */
-static const char stp_packet[]="\x01\x80\xc2\x00\x00\x00\x00\x1c\x0e\x87\x85\x04\x00\x26\x42\x42\x03\x00\x00\x00\x00\x00\x80\x64\x00\x1c\x0e\x87\x78\x00\x00\x00\x00\x04\x80\x64\x00\x1c\x0e\x87\x85\x00\x80\x04\x01\x00\x14\x00\x02\x00\x0f\x00";
-
 // functions that need prototypes
 void layer_2_dispatcher(const char *, int, uint64_t);
 void layer_3_dispatcher(const char *, int, uint64_t);
diff --git a/nmap/libft/srcs/math/bitfield.c b/nmap/libft/srcs/math/bitfield.c
deleted file mode 100644
index af9290ae..00000000
--- a/nmap/libft/srcs/math/bitfield.c
+++ /dev/null
@@ -1,67 +0,0 @@
-/* ************************************************************************** */
-/*                                                                            */
-/*                                                        :::      ::::::::   */
-/*   bitfield.c                                         :+:      :+:    :+:   */
-/*                                                    +:+ +:+         +:+     */
-/*   By: jhalford <jack@crans.org>                  +#+  +:+       +#+        */
-/*                                                +#+#+#+#+#+   +#+           */
-/*   Created: 2017/10/09 14:44:16 by jhalford          #+#    #+#             */
-/*   Updated: 2017/10/24 21:04:39 by jhalford         ###   ########.fr       */
-/*                                                                            */
-/* ************************************************************************** */
-
-#include "libft.h"
-#include <stdlib.h>
-
-/*
-**	==== Wrapper around GCC builtins for	====
-**	==== arbitrarily large sized bitfields	====
-**	
-**	todo
-**		- up and down iterator
-**		
-*/
-
-/*
-** Turn bit on
-*/
-extern inline void	bitfield_biton(t_bitblock field[], uint64_t bit)
-{
-	field[bit / BLOCKSIZE + 1] |= (1 << (bit % BLOCKSIZE));
-}
-
-/*
-** Turn bit off
-*/
-extern inline void	bitfield_bitoff(t_bitblock field[], uint64_t bit)
-{
-	field[bit / BLOCKSIZE + 1] &= ~(1 << bit % BLOCKSIZE);
-}
-
-/*
-** 	Least Significant Bit (rightmost)
-*/
-extern inline uint64_t	bitfield_lsb(t_bitblock field[])
-{
-	int			block;
-	uint64_t	size;
-
-	block = 0;
-	size = field[0];
-	while (!field[++block])
-		if ((block+1) * BLOCKSIZE > size) return (-1);
-	return (block * BLOCKSIZE + __builtin_ctzll(field[block] ^ (~field[block] + 1)) - 1);
-}
-
-/*
-** Count the number of 1-bits in field
-*/
-extern inline uint64_t	bitfield_popcount(t_bitblock field[], uint64_t size)
-{
-	int block = -1;
-	int count = 0;
-
-	while (++block * BLOCKSIZE < size)
-		count += __builtin_popcountll(field[block]);
-	return (count);
-}
diff --git a/nmap/libft/srcs/net/cksum.c b/nmap/libft/srcs/net/cksum.c
index b44820eb..fa61a3ad 100644
--- a/nmap/libft/srcs/net/cksum.c
+++ b/nmap/libft/srcs/net/cksum.c
@@ -12,20 +12,19 @@
 
 #include "net.h"
 
-unsigned short	cksum(void *b, int len)
+unsigned short	cksum(const void *b, size_t len)
 {
-	unsigned short	*buf;
 	unsigned int	sum;
 
-	buf = b;
 	sum = 0;
 	while (len > 1)
 	{
-		sum += *((unsigned short*)buf++);
+		sum += *((uint16_t*)b++);
+		b++;
 		len -= 2;
 	}
 	if (len == 1)
-		sum += *(unsigned char*)buf;
-	sum = (sum >> 16) + (sum & 0xFFFF);
-	return (~(sum + (sum >> 16)));
+		sum += *(uint8_t*)b;
+	while (sum >> 16) sum = (sum & 0xFFFF)+(sum >> 16);
+	return (~sum);
 }
diff --git a/nmap/libft/srcs/net/prettypacket.c b/nmap/libft/srcs/net/prettypacket.c
index 1dcd5e47..876b1782 100644
--- a/nmap/libft/srcs/net/prettypacket.c
+++ b/nmap/libft/srcs/net/prettypacket.c
@@ -35,6 +35,38 @@ enum packet_type {
     stp
 };
 
+/**
+ * List of available colors
+ */
+static const char *colors[] = {
+    /// Black
+    "\\e[0;30m",
+    /// Red
+    "\\e[0;31m",
+    /// Green
+    "\\e[0;32m",
+    /// Yellow
+    "\\e[0;33m",
+    /// Blue
+    "\\e[0;34m",
+    /// Purple
+    "\\e[0;35m",
+    /// Cyan
+    "\\e[0;36m",
+    /// White
+    "\\e[0;37m",
+};
+
+/**
+ * Default terminal rows
+ */
+static const int rows = 24;
+
+/**
+ * Default terminal columns
+ */
+static const int cols = 80;
+
 /*
 ** Packets disassembling loop
 **		layer 2: isl, llc1, llc2, ethenet	or payload
@@ -115,11 +147,22 @@ static inline void field_print (const char *packet_buffer, int field_size,
 		int *counter, const char *field_text) {
     
     char *tmp_hexstr = raw_to_hexstr(packet_buffer + *counter, field_size);
-    *counter += field_size;
 
-    printf(" %-24s %s\n", tmp_hexstr, field_text);
-    
+    printf(" %-24s %s", tmp_hexstr, field_text);
+	if (strstr(field_text, "port") && field_size == 2)
+	{
+		short port = *(short*)(packet_buffer + *counter);
+		char	service[20];
+		struct sockaddr	sa;
+
+		((struct sockaddr_in *)&sa)->sin_family = AF_INET;
+		((struct sockaddr_in *)&sa)->sin_port = port;
+		getnameinfo(&sa, sizeof sa, NULL, 0, service, sizeof service, 0);
+		printf(" (%s)", service);
+	}
+	printf("\n");
     free(tmp_hexstr);
+    *counter += field_size;
 }
 
 /**
@@ -163,10 +206,13 @@ void payload_print (const char *packet_buffer, int size) {
  * @param packet_buffer raw packet captured from the network, starting at the part to process
  * @param size packet_buffer size
  */
-void tcp_print (const char *packet_buffer, int size) {
+void tcp_print(const char *packet_buffer, int size) {
     int counter = 0;
-
-    puts("\nTCP Header:");
+	unsigned short	check = cksum(packet_buffer, 20);
+	if (check == 0)
+		printf("\nTCP Header: (20 bytes), cksum OK\n");
+	else
+		printf("\nTCP Header: (20 bytes), cksum incorrect, malformed packet! (%x)\n", check);
 
     if (size < 8) {
         puts (" invalid header size");
@@ -197,7 +243,7 @@ void tcp_print (const char *packet_buffer, int size) {
 void udp_print (const char *packet_buffer, int size) {
     int counter = 0;
 
-    puts("\nUDP Header:");
+    puts("\nUDP Header: (8 bytes)");
 
     if (size < 8) {
         puts (" invalid header size");
diff --git a/nmap/libft/srcs/net/tcp.c b/nmap/libft/srcs/net/tcp.c
index 434ac9bd..9205d75e 100644
--- a/nmap/libft/srcs/net/tcp.c
+++ b/nmap/libft/srcs/net/tcp.c
@@ -17,7 +17,8 @@ void	tcp_hdrinit(struct tcphdr *header)
 	memset(header, 0, sizeof(*header));
 	header->th_sport = htons(0);
 	header->th_dport = htons(0);
-	header->th_seq = epoch_micro();
+	/* header->th_seq = epoch_micro(); */
+	header->th_seq = 0;
 	header->th_ack = 0;
 	header->th_off = 5;
 	header->th_flags = 0;
diff --git a/nmap/libft/srcs/time/epoch.c b/nmap/libft/srcs/time/epoch.c
index 46f1184e..21ceb475 100644
--- a/nmap/libft/srcs/time/epoch.c
+++ b/nmap/libft/srcs/time/epoch.c
@@ -10,7 +10,7 @@
 /*                                                                            */
 /* ************************************************************************** */
 
-#include "mytime.h"
+#include "ft_time.h"
 
 uint64_t	epoch_micro(void)
 {
diff --git a/nmap/srcs/capture.c b/nmap/srcs/capture.c
new file mode 100644
index 00000000..81b3bae4
--- /dev/null
+++ b/nmap/srcs/capture.c
@@ -0,0 +1,36 @@
+
+#include "nmap.h"
+
+#define PCAP_FILTER "src host %s and src port %i and dst host %s and dst port %i"
+
+pcap_t		*nmap_capture(ipaddr dst, ipaddr src)
+{
+	char			errbuf[PCAP_ERRBUF_SIZE];
+	pcap_t			*handle;
+	bpf_u_int32		netp;
+	bpf_u_int32		maskp;
+	char			buf[IPADDR_MAXSTRLEN];
+	struct bpf_program fp;
+	char	str[100];
+
+	if (pcap_lookupnet("any", &netp, &maskp, errbuf) == -1)
+	{
+		exit(EXIT_FAILURE);
+	}
+	if (!(handle = pcap_open_live("any", BUFSIZ, 0, -1, errbuf)))
+	{
+		fprintf(stderr, "pcap_open_live: %s", errbuf);
+		exit(EXIT_FAILURE);
+	}
+	if (pcap_setdirection(handle, PCAP_D_IN))
+		exit(EXIT_FAILURE);
+	if (!(sprintf(str, PCAP_FILTER, ipaddrstr(dst, buf), ipport(dst),
+									ipaddrstr(src, buf), ipport(src))))
+		exit(EXIT_FAILURE);
+	DG("filter is: %s", str);
+	if (pcap_compile(handle, &fp, str, 1, netp) == -1)
+		exit(EXIT_FAILURE);
+	if (pcap_setfilter(handle, &fp) == -1)
+		exit(EXIT_FAILURE);
+	return (handle);
+}
diff --git a/nmap/srcs/format.c b/nmap/srcs/format.c
index 5a2b23bf..ee8dd037 100644
--- a/nmap/srcs/format.c
+++ b/nmap/srcs/format.c
@@ -38,5 +38,5 @@ void		nmap_format(chan results)
 				g_port_status[result.status],
 				result.scan);
 	}
-	printf("finished reading %i jobs\n", g_njobs);
+	DG("finished reading %i jobs\n", g_njobs);
 }
diff --git a/nmap/srcs/listener.c b/nmap/srcs/listener.c
deleted file mode 100644
index e6484dbe..00000000
--- a/nmap/srcs/listener.c
+++ /dev/null
@@ -1,70 +0,0 @@
-/* ************************************************************************** */
-/*                                                                            */
-/*                                                        :::      ::::::::   */
-/*   listener.c                                         :+:      :+:    :+:   */
-/*                                                    +:+ +:+         +:+     */
-/*   By: jhalford <jack@crans.org>                  +#+  +:+       +#+        */
-/*                                                +#+#+#+#+#+   +#+           */
-/*   Created: 2017/10/23 19:16:39 by jhalford          #+#    #+#             */
-/*   Updated: 2017/10/24 21:28:44 by jhalford         ###   ########.fr       */
-/*                                                                            */
-/* ************************************************************************** */
-
-#include "nmap.h"
-
-#define PCAP_FILTER\
-	"src host %s and src port %i and dst host %s and dst port %i"
-
-static void packet_callback(u_char *arg, const struct pcap_pkthdr *pkthdr,
-		const u_char *packet)
-
-{
-	(void)pkthdr;
-	(void)packet;
-	chan ch = (chan)arg;
-	ft_printf("received packet !!!\n");
-	prettypacket((void*)packet, pkthdr->len);
-	(void)ch;
-	/* chs(ch, struct tcphdr, *(t_tcp_packet*)packet); */
-}
-
-coroutine void	listener_loop(chan ch, pcap_t *pcap_obj)
-{
-	ft_printf("listener loop\n");
-	if (pcap_loop(pcap_obj, -1, packet_callback, (u_char*)ch) == -1)
-	{
-		ft_printf("pcap_loop fail\n");
-		exit(EXIT_FAILURE);
-	}
-}
-
-chan			nmap_listener(ipaddr dst, ipaddr src)
-{
-	char			errbuf[PCAP_ERRBUF_SIZE];
-	pcap_t			*pcap_obj;
-	bpf_u_int32		netp;
-	bpf_u_int32		maskp;
-	struct bpf_program fp;
-	char	str[100];
-	chan	pkts;
-
-	pkts = chmake(struct tcphdr, 10);
-	if (pcap_lookupnet("any", &netp, &maskp, errbuf) == -1)
-	{
-		exit(EXIT_FAILURE);
-	}
-	if (!(pcap_obj = pcap_open_live("any", BUFSIZ, 0, -1, errbuf)))
-	{
-		fprintf(stderr, "pcap_open_live: %s", errbuf);
-		exit(EXIT_FAILURE);
-	}
-	if (!(sprintf(str, PCAP_FILTER, ipaddrstr(dst, str), ipport(dst),
-									ipaddrstr(src, str), ipport(src))))
-		exit(EXIT_FAILURE);
-	if (pcap_compile(pcap_obj, &fp, str, 1, netp) == -1)
-		exit(EXIT_FAILURE);
-	if (pcap_setfilter(pcap_obj, &fp) == -1)
-		exit(EXIT_FAILURE);
-	go(listener_loop(pkts, pcap_obj));
-	return (chdup(pkts));
-}
diff --git a/nmap/srcs/main.c b/nmap/srcs/main.c
index 07f2a46a..a76bf81b 100644
--- a/nmap/srcs/main.c
+++ b/nmap/srcs/main.c
@@ -24,9 +24,11 @@ coroutine void	jobs_loop(chan jobs, chan results)
 	int		i;
 	
 	i = 0;
-	while (true)
+	while (1)
 	{
+		DG("before chr jobs");
 		job = chr(jobs, t_job);
+		DG("after chr jobs");
 		if (job.scan == NULL)
 			break ;
 		copy = chdup(results);
@@ -52,15 +54,10 @@ int			main(int ac, char **av)
 
 	/* if (getuid() != 0) */
 	/* { */
-	/* 	fprintf(stderr, "You must have root privileges to use nmap!\n"); */
+	/* 	fprintf(stderr, "You must have root privileges to use nmap\n"); */
 	/* 	return(1); */
 	/* } */
-	if ((jobs = nmap_parse(ac, av)) < 0)
-	{
-		printf("usage: nmap --help\n");
-		printf("or     nmap"NMAP_USAGE1 NMAP_USAGE2"\n");
-		exit(1);
-	}
+	jobs = nmap_parse(ac, av);
 	results = nmap(jobs);
 	nmap_format(results);
 	return (0);
diff --git a/nmap/srcs/parser.c b/nmap/srcs/parser.c
index ab20595c..247a65e3 100644
--- a/nmap/srcs/parser.c
+++ b/nmap/srcs/parser.c
@@ -108,10 +108,11 @@ coroutine void	coarse_dispatcher(chan jobs)
 
 	job.dest = ipremote("scanme.nmap.org", 80, IPADDR_IPV4, -1);
 	chs(jobs, t_job, job);
-	job.dest = ipremote("scanme.nmap.org", 81, IPADDR_IPV4, -1);
-	chs(jobs, t_job, job);
+	/* job.dest = ipremote("scanme.nmap.org", 81, IPADDR_IPV4, -1); */
+	/* chs(jobs, t_job, job); */
 
 	job.scan = 0;
+	DG("sending done job");
 	chdone(jobs, t_job, job);
 	chclose(jobs);
 }
@@ -127,8 +128,11 @@ chan	nmap_parse(int ac, char **av)
 
 	chan	jobs;
 	jobs = chmake(t_job, 0);
-	go(coarse_dispatcher(jobs));
-	g_njobs = 2;
 
-	return (jobs);
+	/* ft_usage("nmap"NMAP_USAGE1 NMAP_USAGE2); */
+
+	go(coarse_dispatcher(jobs));
+	g_njobs = 1;
+
+	return (chdup(jobs));
 }
diff --git a/nmap/srcs/scanners.c b/nmap/srcs/scanners.c
index 038457c5..6861ac7f 100644
--- a/nmap/srcs/scanners.c
+++ b/nmap/srcs/scanners.c
@@ -15,13 +15,17 @@
 coroutine void	nmap_scan_tcp(chan results, t_job job)
 {
 	t_result	result;
-	chan		pkts;
 	ipaddr		src;
 	int			sock;
 
 	sock = socket(ipfamily(job.dest), SOCK_STREAM, IPPROTO_TCP);
 	src = iplocal_randport(NULL, ipmode(job.dest), sock);
-	pkts = nmap_listener(job.dest, src);
+
+	pcap_t *handle = nmap_capture(job.dest, src);
+	/* chan		pkts; */
+	/* pkts = nmap_listener(job.dest, src); */
+	/* (void)pkts; */
+	/* DG("after listener"); */
 
 	result.dest = job.dest;
 	ft_strcpy(result.scan, "TCP");
@@ -32,16 +36,25 @@ coroutine void	nmap_scan_tcp(chan results, t_job job)
 	tcp_hdrinit(&pkt);
 	pkt.th_dport = htons(ipport(job.dest));
 	pkt.th_sport = htons(ipport(src));
-	/* pkt.th_flags = 0; */
+	pkt.th_flags = 0;
 	pkt.th_sum = cksum(&pkt, sizeof(pkt));
 
-	if (sendto(sock, &pkt, sizeof(pkt), 0,
-				(struct sockaddr*)&job.dest, sizeof(job.dest)) < 0)
+	tcp_print((char *)&pkt, sizeof(pkt));
+
+	// REQ
+	DG("check");
+	if (sendto(sock, &pkt, sizeof(pkt), 0, (struct sockaddr*)&job.dest, sizeof(job.dest)) < 0)
 	{
+		DG("check 1");
 		perror("sendto");
-		exit(1);
 	}
-	pkt = chr(pkts, struct tcphdr);
+	DG("check 2");
+
+	// RESP
+	struct pcap_pkthdr	pkthdr;
+	const u_char		*resp;
+	resp = pcap_next(handle, &pkthdr);
+	tcp_print((char *)resp, pkthdr.len);
 
 	chs(results, t_result, result);
 	chclose(results);