[Firehol-support] RST, ACK, SYN, FTP
jernejp at cs.waikato.ac.nz
jernejp at cs.waikato.ac.nz
Fri Apr 21 08:27:10 BST 2006
Hello!
Maybe lame question. Why does firehol blocks this packets when I log on to
remote FTP (succesful logon) and try list (passive or active)?
I have lots of entries on client side:
IN-interNet:IN=eth0 OUT= MAC=00:30:48:71:1c:4a:00:0d:ed:9b:e2:bf:08:00
SRC=x.x.x.34 DST=x.x.x.122 LEN=124 TOS=0x00 PREC=0x00 TTL=57 ID=39074 DF
PROTO=TCP SPT=21 DPT=32800 WINDOW=1448 RES=0x00 ACK PSH URGP=0
and on server side:
OUT-interNet:IN= OUT=eth0 SRC=x.x.x.34 DST=x.x.x.122 LEN=60 TOS=0x00
PREC=0x00 TTL=64 ID=54491 DF PROTO=TCP SPT=20 DPT=34972 WINDOW=5840
RES=0x00 SYN URGP=0
config should allow any FTP connection (server/client). All possible
trackings are included in kernel, so I dont know where is the catch?
Modules are disabled, because I dont allow any modules on the machine at
all, so FIREHOL_SKIP_MODULES is on.
So how can allow this packets to come through? I turned off all the
protection (protection), I only have my firewall rules in (server ftp
accept, client ftp accept).
Thanks in advance, Jernej
BTW: otherwise Firehol is awesome
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