Особенности FreeBSD PF

fw-bsd# pfctl -ss
No ALTQ support in kernel
ALTQ related functions disabled
all tcp 10.0.2.15:22 <- 10.0.2.2:38548       ESTABLISHED:ESTABLISHED
all tcp 10.0.2.15:22 <- 10.0.2.2:38559       ESTABLISHED:ESTABLISHED
all tcp 10.30.50.1:18550 -> 10.30.50.3:22       ESTABLISHED:ESTABLISHED
all tcp 10.30.50.3:80 (10.0.2.15:80) <- 10.0.2.2:35520       FIN_WAIT_2:FIN_WAIT_2
all tcp 10.0.2.2:35520 -> 10.30.50.3:80       FIN_WAIT_2:FIN_WAIT_2
all udp 10.30.50.1:53 <- 10.30.50.3:59363       SINGLE:MULTIPLE
all udp 10.0.2.15:55546 -> 192.168.11.1:53       MULTIPLE:SINGLE
all icmp 144.76.222.201:3782 <- 10.30.50.3:3782       0:0
all icmp 10.0.2.15:25608 (10.30.50.3:3782) -> 144.76.222.201:25608       0:0
all udp 10.30.50.1:53 <- 10.30.50.3:44181       SINGLE:MULTIPLE
all udp 10.0.2.15:15999 -> 192.168.11.1:53       MULTIPLE:SINGLE

fw-bsd# pfctl -vsA
No ALTQ support in kernel
ALTQ related functions disabled
  ftp-proxy
  ftp-proxy/1022.1
fw-bsd# pfctl -va ftp-proxy/1022.1 -sa   
No ALTQ support in kernel
ALTQ related functions disabled
TRANSLATION RULES:
nat inet proto tcp from 10.30.50.3 to 193.162.146.4 port = 64093 rtable 0 -> 10.0.2.15
  [ Evaluations: 2         Packets: 0         Bytes: 0           States: 0     ]
  [ Inserted: uid 62 pid 1022 State Creations: 0     ]
rdr inet proto tcp from 10.30.50.3 to 193.162.146.4 port = 64038 rtable 0 -> 193.162.146.4 port 64093
  [ Evaluations: 4         Packets: 8         Bytes: 495         States: 0     ]
  [ Inserted: uid 62 pid 1022 State Creations: 1     ]

FILTER RULES:
pass in quick inet proto tcp from 10.30.50.3 to 193.162.146.4 port = 64093 flags S/SA keep state (max 1) rtable 0
  [ Evaluations: 7         Packets: 8         Bytes: 495         States: 0     ]
  [ Inserted: uid 62 pid 1022 State Creations: 1     ]
pass out quick inet proto tcp from 10.0.2.15 to 193.162.146.4 port = 64093 flags S/SA keep state (max 1) rtable 0
  [ Evaluations: 3         Packets: 8         Bytes: 495         States: 0     ]
  [ Inserted: uid 62 pid 1022 State Creations: 1     ]

STATES:
all tcp 10.0.2.15:22 <- 10.0.2.2:38606       ESTABLISHED:ESTABLISHED
   [3755536990 + 65535]  [1309337055 + 65535]
   age 00:08:48, expires in 24:00:00, 1180:736 pkts, 72257:191011 bytes, rule 11
all tcp 10.0.2.15:22 <- 10.0.2.2:38624       ESTABLISHED:ESTABLISHED
   [711515386 + 65535]  [1320134591 + 65535]
   age 00:07:10, expires in 23:56:58, 138:83 pkts, 12113:12587 bytes, rule 11
all tcp 127.0.0.1:8021 (193.162.146.4:21) <- 10.30.50.3:39696       ESTABLISHED:ESTABLISHED
   [666381855 + 14624] wscale 6  [2483861655 + 65664] wscale 5
   age 00:04:48, expires in 23:56:58, 14:8 pkts, 610:662 bytes
all tcp 10.0.2.15:26078 -> 193.162.146.4:21       ESTABLISHED:ESTABLISHED
   [4051480635 + 65535]  [1335296332 + 65535]
   age 00:04:48, expires in 23:56:58, 11:13 pkts, 498:854 bytes, rule 1

сокращения: http://www.openbsd.org/faq/pf/ru/shortcuts.html

pass out = pass out all flags S/SA keep state

http://www.openbsd.org/faq/pf/ru/index.html

pfsync