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SubjectDCC masquerading broken in 2.4.19?

Hi there,

I'm getting messages like this in my logs, along with DCC sends from the
local network to external hosts failing:

Aug 29 12:44:27 anthem kernel: Forged DCC command from 192.168.99.3: 200.206.134.238:2049
Aug 29 12:44:29 anthem kernel: IN=eth1 OUT= MAC=00:04:75:7d:2b:6b:00:80:37:d9:4f:90:08:00 SRC=200.158.184.167 DST=200.206.134.238 LEN=60 TOS=0x00 PREC=0x00 TTL=60 ID=3428 DF PROTO=TCP SPT=35838 DPT=2049 WINDOW=5808 RES=0x00 SYN URGP=0
Aug 29 12:44:35 anthem kernel: IN=eth1 OUT= MAC=00:04:75:7d:2b:6b:00:80:37:d9:4f:90:08:00 SRC=200.158.184.167 DST=200.206.134.238 LEN=60 TOS=0x00 PREC=0x00 TTL=60 ID=3429 DF PROTO=TCP SPT=35838 DPT=2049 WINDOW=5808 RES=0x00 SYN URGP=0
[...]

anthem:~$ lsmod
Module Size Used by
ipt_MASQUERADE 1232 1 (autoclean)
ipt_LOG 3184 2 (autoclean)
ipt_limit 912 3 (autoclean)
ipt_state 560 28 (autoclean)
iptable_filter 1696 1 (autoclean)
ip_conntrack_irc 2560 0 (unused)
ip_conntrack_ftp 3440 0 (unused)
ip_nat_irc 2416 0 (unused)
ip_nat_ftp 3120 0 (unused)
iptable_nat 13552 3 [ipt_MASQUERADE ip_nat_irc ip_nat_ftp]
ip_conntrack 13792 4 [ipt_MASQUERADE ipt_state ip_conntrack_irc ip_conntrack_ftp ip_nat_irc ip_nat_ftp iptable_nat]
ip_tables 10880 8 (autoclean) [ipt_MASQUERADE ipt_LOG ipt_limit ipt_state iptable_filter iptable_nat]

iptables is 1.2.6a, and I think at least i've applied all pending-patches.

Has anything changed noticeably? lsmod tells me I am all set, so what
could it be?

Take care,
--
Christian Reis, Senior Engineer, Async Open Source, Brazil.
http://async.com.br/~kiko/ | [+55 16] 261 2331 | NMFL
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