I am using IPCHAINS and IPMASQ to provide internet access to our
LAN. I am sure you've all seen THIS before. The windows FTP clients are
having a difficult time retrieving the folder listing. I have the
ip_masq_ftp loaded but I am still getting the following log messages:
"
Feb 19 11:13:36 weisktsv03 kernel: Packet log: forward DENY eth0 PROTO=6
204.112.40.137:2832 129.128.5.191:42041 L=44 S=0x10 I=16261 F=0x4000 T=127
SYN (#26)
Feb 19 11:13:39 weisktsv03 kernel: Packet log: forward DENY eth0 PROTO=6
204.112.40.137:2832 129.128.5.191:42041 L=44 S=0x10 I=18565 F=0x4000 T=127
SYN (#26)
Feb 19 11:18:28 weisktsv03 kernel: Packet log: forward DENY eth0 PROTO=6
204.112.40.137:2840 129.128.5.191:42090 L=44 S=0x10 I=6790 F=0x4000 T=127
SYN (#26)
Feb 19 11:18:31 weisktsv03 kernel: Packet log: forward DENY eth0 PROTO=6
204.112.40.137:2840 129.128.5.191:42090 L=44 S=0x10 I=7302 F=0x4000 T=127
SYN (#26)
Feb 19 11:31:00 weisktsv03 kernel: Packet log: forward DENY eth0 PROTO=6
204.112.40.137:2855 129.128.5.191:42102 L=44 S=0x10 I=56455 F=0x4000 T=127
SYN (#26)
Feb 19 11:31:03 weisktsv03 kernel: Packet log: forward DENY eth0 PROTO=6
204.112.40.137:2855 129.128.5.191:42102 L=44 S=0x10 I=56967 F=0x4000 T=127
SYN (#26) "
My understanding so far is that the FTP server is trying to create an
inbound connection to my LAN address which it should not be requesting.
Clearly, the MASQing is not taking place, although it should be as far as I
can tell. The 204.112.*.* is my LAN address.
How can I get FTP through my firewall? Is the client simply misconfigured?
I am using WS_FTP LE.
Regards,
Rob
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