Nftables » Historique » Version 3
Laurent GUERBY, 28/03/2014 19:39
| 1 | 1 | Laurent GUERBY | {{>toc}} |
|---|---|---|---|
| 2 | 1 | Laurent GUERBY | |
| 3 | 1 | Laurent GUERBY | h1. Nftables |
| 4 | 1 | Laurent GUERBY | |
| 5 | 1 | Laurent GUERBY | h2. Liens |
| 6 | 1 | Laurent GUERBY | |
| 7 | 1 | Laurent GUERBY | * https://wiki.archlinux.org/index.php/Nftables |
| 8 | 1 | Laurent GUERBY | * https://home.regit.org/netfilter-en/nftables-quick-howto/ |
| 9 | 2 | Laurent GUERBY | * http://wiki.nftables.org/ |
| 10 | 1 | Laurent GUERBY | |
| 11 | 1 | Laurent GUERBY | h2. Examples |
| 12 | 1 | Laurent GUERBY | |
| 13 | 3 | Laurent GUERBY | h3. Tools |
| 14 | 3 | Laurent GUERBY | |
| 15 | 1 | Laurent GUERBY | <pre> |
| 16 | 1 | Laurent GUERBY | root@h7:~# nft --version |
| 17 | 1 | Laurent GUERBY | nftables v0.100 (keith-alexander-filter) |
| 18 | 1 | Laurent GUERBY | root@h7:~# cat /proc/version |
| 19 | 1 | Laurent GUERBY | Linux version 3.14-rc7-amd64 (debian-kernel@lists.debian.org) (gcc version 4.8.2 (Debian 4.8.2-16) ) #1 SMP Debian 3.14~rc7-1~exp1 (2014-03-17) |
| 20 | 1 | Laurent GUERBY | </pre> |
| 21 | 1 | Laurent GUERBY | |
| 22 | 3 | Laurent GUERBY | h2. UDP counter |
| 23 | 3 | Laurent GUERBY | |
| 24 | 1 | Laurent GUERBY | <pre> |
| 25 | 1 | Laurent GUERBY | root@h7:~# nft add rule filter output udp dport 0-65535 ip daddr 91.224.149.151 counter |
| 26 | 1 | Laurent GUERBY | root@h7:~# nft list chain filter output -a -n |
| 27 | 1 | Laurent GUERBY | table ip filter { |
| 28 | 1 | Laurent GUERBY | chain output { |
| 29 | 1 | Laurent GUERBY | type filter hook output priority 0; |
| 30 | 1 | Laurent GUERBY | ip protocol udp udp dport >= 0 udp dport <= 65535 counter packets 171479 bytes 256167178 # handle 13 |
| 31 | 1 | Laurent GUERBY | ip protocol udp udp dport >= 0 udp dport <= 65535 ip daddr 91.224.149.151 counter packets 0 bytes 0 # handle 15 |
| 32 | 1 | Laurent GUERBY | } |
| 33 | 1 | Laurent GUERBY | } |
| 34 | 1 | Laurent GUERBY | root@h7:~# iperf -c 91.224.149.151 -u -b 100M |
| 35 | 1 | Laurent GUERBY | ------------------------------------------------------------ |
| 36 | 1 | Laurent GUERBY | Client connecting to 91.224.149.151, UDP port 5001 |
| 37 | 1 | Laurent GUERBY | Sending 1470 byte datagrams |
| 38 | 1 | Laurent GUERBY | UDP buffer size: 208 KByte (default) |
| 39 | 1 | Laurent GUERBY | ------------------------------------------------------------ |
| 40 | 1 | Laurent GUERBY | [ 3] local 91.224.149.2 port 41909 connected with 91.224.149.151 port 5001 |
| 41 | 1 | Laurent GUERBY | [ ID] Interval Transfer Bandwidth |
| 42 | 1 | Laurent GUERBY | [ 3] 0.0-10.0 sec 120 MBytes 100 Mbits/sec |
| 43 | 1 | Laurent GUERBY | [ 3] Sent 85471 datagrams |
| 44 | 1 | Laurent GUERBY | read failed: Connection refused |
| 45 | 1 | Laurent GUERBY | [ 3] WARNING: did not receive ack of last datagram after 1 tries. |
| 46 | 1 | Laurent GUERBY | root@h7:~# nft list chain filter output -a -n |
| 47 | 1 | Laurent GUERBY | table ip filter { |
| 48 | 1 | Laurent GUERBY | chain output { |
| 49 | 1 | Laurent GUERBY | type filter hook output priority 0; |
| 50 | 1 | Laurent GUERBY | ip protocol udp udp dport >= 0 udp dport <= 65535 counter packets 256951 bytes 384184664 # handle 13 |
| 51 | 1 | Laurent GUERBY | ip protocol udp udp dport >= 0 udp dport <= 65535 ip daddr 91.224.149.151 counter packets 85457 bytes 128014586 # handle 15 |
| 52 | 1 | Laurent GUERBY | } |
| 53 | 1 | Laurent GUERBY | } |
| 54 | 1 | Laurent GUERBY | root@h7:~# nft delete rule filter output handle 15 |
| 55 | 1 | Laurent GUERBY | root@h7:~# nft list chain filter output -a -n |
| 56 | 1 | Laurent GUERBY | table ip filter { |
| 57 | 1 | Laurent GUERBY | chain output { |
| 58 | 1 | Laurent GUERBY | type filter hook output priority 0; |
| 59 | 1 | Laurent GUERBY | ip protocol udp udp dport >= 0 udp dport <= 65535 counter packets 256982 bytes 384190532 # handle 13 |
| 60 | 1 | Laurent GUERBY | } |
| 61 | 1 | Laurent GUERBY | |
| 62 | 1 | Laurent GUERBY | </pre> |
| 63 | 1 | Laurent GUERBY | |
| 64 | 1 | Laurent GUERBY | <pre> |
| 65 | 1 | Laurent GUERBY | nft add rule filter output udp dport 0-65535 counter |
| 66 | 1 | Laurent GUERBY | nft add rule filter input ip daddr 91.224.149.2 counter |
| 67 | 3 | Laurent GUERBY | </pre> |
| 68 | 3 | Laurent GUERBY | |
| 69 | 3 | Laurent GUERBY | h3. Log |
| 70 | 3 | Laurent GUERBY | |
| 71 | 3 | Laurent GUERBY | <pre> |
| 72 | 3 | Laurent GUERBY | root@h7:~# nft add rule filter output ip daddr 91.224.149.151 counter |
| 73 | 3 | Laurent GUERBY | root@h7:~# nft add rule filter output ip daddr 91.224.149.151 log |
| 74 | 3 | Laurent GUERBY | root@h7:~# nft list chain filter output -a -n |
| 75 | 3 | Laurent GUERBY | table ip filter { |
| 76 | 3 | Laurent GUERBY | chain output { |
| 77 | 3 | Laurent GUERBY | type filter hook output priority 0; |
| 78 | 3 | Laurent GUERBY | ip daddr 91.224.149.151 counter packets 0 bytes 0 # handle 16 |
| 79 | 3 | Laurent GUERBY | ip daddr 91.224.149.151 log # handle 17 |
| 80 | 3 | Laurent GUERBY | } |
| 81 | 3 | Laurent GUERBY | } |
| 82 | 3 | Laurent GUERBY | root@h7:~# ping -c 1 91.224.149.151 |
| 83 | 3 | Laurent GUERBY | PING 91.224.149.151 (91.224.149.151) 56(84) bytes of data. |
| 84 | 3 | Laurent GUERBY | 64 bytes from 91.224.149.151: icmp_seq=1 ttl=64 time=2.53 ms |
| 85 | 3 | Laurent GUERBY | |
| 86 | 3 | Laurent GUERBY | --- 91.224.149.151 ping statistics --- |
| 87 | 3 | Laurent GUERBY | 1 packets transmitted, 1 received, 0% packet loss, time 0ms |
| 88 | 3 | Laurent GUERBY | rtt min/avg/max/mdev = 2.530/2.530/2.530/0.000 ms |
| 89 | 3 | Laurent GUERBY | |
| 90 | 3 | Laurent GUERBY | Message from syslogd@h7 at Mar 28 14:38:08 ... |
| 91 | 3 | Laurent GUERBY | kernel:[ 6797.701781] IN= OUT=eth0.3131 SRC=91.224.149.2 DST=91.224.149.151 LEN=84 TOS=0x00 PREC=0x00 TTL=64 ID=7861 DF PROTO=ICMP TYPE=8 CODE=0 ID=26178 SEQ=1 UID=0 GID=0 |
| 92 | 3 | Laurent GUERBY | root@h7:~# nft list chain filter output -a -n |
| 93 | 3 | Laurent GUERBY | table ip filter { |
| 94 | 3 | Laurent GUERBY | chain output { |
| 95 | 3 | Laurent GUERBY | type filter hook output priority 0; |
| 96 | 3 | Laurent GUERBY | ip daddr 91.224.149.151 counter packets 1 bytes 84 # handle 16 |
| 97 | 3 | Laurent GUERBY | ip daddr 91.224.149.151 log # handle 17 |
| 98 | 3 | Laurent GUERBY | } |
| 99 | 3 | Laurent GUERBY | } |
| 100 | 3 | Laurent GUERBY | |
| 101 | 1 | Laurent GUERBY | </pre> |