proc_pid_net(5) File Formats Manual proc_pid_net(5) /proc/pid/net/, /proc/net/ - network layer information /proc/pid/net/ (since Linux 2.6.25) /proc/net. /proc/net/ , . ASCII cat(1). , netstat(8) . ( network_namespaces(7)). , Linux 2.6.25 /proc/net -- /proc/self/net, , . , . /proc/net/arp ASCII- ARP , . , ARP. : IP address HW type Flags HW address Mask Device 192.168.0.50 0x1 0x2 00:50:BF:25:68:F3 * eth0 192.168.0.250 0x1 0xc 00:00:00:00:00:00 * eth0 "IP-" IPv4, " ." RFC 826. -- ARP( /usr/include/linux/if_arp.h), ". " -- IP-, . /proc/net/dev - dev . , . ifconfig(8) . : Inter-| Receive | Transmit face |bytes packets errs drop fifo frame compressed multicast|bytes packets errs drop fifo colls carrier compressed lo: 2776770 11307 0 0 0 0 0 0 2776770 11307 0 0 0 0 0 0 eth0: 1215645 2751 0 0 0 0 0 0 1782404 4324 0 0 0 427 0 0 ppp0: 1622270 5552 1 0 0 0 0 0 354130 5669 0 0 0 0 0 0 tap0: 7714 81 0 0 0 0 0 0 7714 81 0 0 0 0 0 0 /proc/net/dev_mcast /usr/src/linux/net/core/dev_mcast.c: _ dmi_u dmi_g _dmi 2 eth0 1 0 01005e000001 3 eth1 1 0 01005e000001 4 eth2 1 0 01005e000001 /proc/net/igmp Internet Group Management Protocol ( ). /usr/src/linux/net/core/igmp.c. /proc/net/rarp , arp ARP, rarp(8). RARP , . /proc/net/raw (RAW) . , . <>" -- , <> -- , . <> -- . <> <> -- , . <>, <when>> <> RAW. <> UID . /proc/net/snmp ASCII , SNMP- IP, ICMP, TCP UDP. /proc/net/tcp TCP-. , . <> -- , <> -- . <> -- . <> -- . <> <> -- , . <>, <when>> <> . <> UID . /proc/net/udp UDP-. , . <> -- , <> -- . <> -- . <> -- . <> <> -- , . <>, <when>> <> UDP. <> UID . : sl local_address rem_address st tx_queue rx_queue tr rexmits tm->when uid 1: 01642C89:0201 0C642C89:03FF 01 00000000:00000001 01:000071BA 00000000 0 1: 00000000:0801 00000000:0000 0A 00000000:00000000 00:00000000 6F000100 0 1: 00000000:0201 00000000:0000 0A 00000000:00000000 00:00000000 00000000 0 /proc/net/unix UNIX, , . : Num RefCount Protocol Flags Type St Inode Path 0: 00000002 00000000 00000000 0001 03 42 1: 00000001 00000000 00010000 0001 01 1948 /dev/printer : Num: . RefCount: . Protocol: 0. Flags: , . Type: . SOCK_STREAM 0001; SOCK_DGRAM -- 0002, SOCK_SEQPACKET -- 0005. St: . Inode: . Path: ( ) . Path @. /proc/net/netfilter/nfnetlink_queue netfilter ( ). . , , . 1 4207 0 2 65535 0 0 0 1 (1) (2) (3)(4) (5) (6) (7) (8) : (1) . --queue-num --queue-balance iptables(8) NFQUEUE. iptables-extensions(8). (2) netlink, . (3) , . (4) . 1 ( ) 2 ( ). (5) ; . (6) . , - /. (7) . , netlink. ; . (8) . (32-) . ID . 1. proc(5) () Alexey, Azamat Hackimov , kogamatranslator49 , Darima Kogan , Max Is , Yuri Kozlov ; GNU (GNU General Public License - GPL, 3 ) , - . - , , () () () <>. Linux 6.9.1 2 2024 . proc_pid_net(5)