| ipf-howto.txt (85213) | ipf-howto.txt (108533) |
|---|---|
| 1 2 3 4 5 6 7 IP Filter Based Firewalls HOWTO 8 9 Brendan Conoboy <synk@swcp.com> 10 Erik Fichtner <emf@obfuscation.org> | 1 2 3 4 5 6 7 IP Filter Based Firewalls HOWTO 8 9 Brendan Conoboy <synk@swcp.com> 10 Erik Fichtner <emf@obfuscation.org> |
| 11 $FreeBSD: head/share/examples/ipfilter/ipf-howto.txt 85213 2001-10-20 04:17:07Z darrenr $ | 11 $FreeBSD: head/share/examples/ipfilter/ipf-howto.txt 108533 2003-01-01 18:49:04Z schweikh $ |
| 12 13 Fri Apr 20 09:31:14 EDT 2001 14 15 16 17 18 19 --- 2157 unchanged lines hidden (view full) --- 2177 2178 2179 2180 2181 2182 -34- 2183 2184 | 12 13 Fri Apr 20 09:31:14 EDT 2001 14 15 16 17 18 19 --- 2157 unchanged lines hidden (view full) --- 2177 2178 2179 2180 2181 2182 -34- 2183 2184 |
| 2185This is a ICMP router discovery broadcast. We can tell by | 2185This is an ICMP router discovery broadcast. We can tell by |
| 2186the ICMP type 9/0. 2187 2188Finally, ipmon also lets us look at the NAT table in action. 2189 2190 # ipmon -o N 2191 01/08/1999 05:30:02.466114 @2 NAT:RDR 20.20.20.253,113 <- -> 20.20.20.253,113 [100.100.100.13,45816] 2192 01/08/1999 05:30:31.990037 @2 NAT:EXPIRE 20.20.20.253,113 <- -> 20.20.20.253,113 [100.100.100.13,45816] Pkts 10 Bytes 455 2193 --- 975 unchanged lines hidden --- | 2186the ICMP type 9/0. 2187 2188Finally, ipmon also lets us look at the NAT table in action. 2189 2190 # ipmon -o N 2191 01/08/1999 05:30:02.466114 @2 NAT:RDR 20.20.20.253,113 <- -> 20.20.20.253,113 [100.100.100.13,45816] 2192 01/08/1999 05:30:31.990037 @2 NAT:EXPIRE 20.20.20.253,113 <- -> 20.20.20.253,113 [100.100.100.13,45816] Pkts 10 Bytes 455 2193 --- 975 unchanged lines hidden --- |