Marian Marinov wrote: > Hello, > I'm working for a fairly large shared hosting provider. Recently we decided to > upgrade the kernel of our servers to 2.6.33. However, during the testing phase > we started to see these messages in the logs: > > Mar 18 07:52:26 serv01 kernel: nf_ct_ftp: dropping packetIN= OUT=eth0 > SRC=212.212.212.12 DST=204.16.203.11 LEN=53 TOS=0x10 PREC=0x00 TTL=64 ID=21858 > DF PROTO=TCP SPT=21 DPT=47282 SEQ=1836474396 ACK=1448911219 WINDOW=23 RES=0x00 > ACK PSH FIN URGP=0 > > We don't have iptables LOG rules, this is generated directly from the kernel. > > 212.212... is not a real IP I have substituted it. > > Our kernel is 2.6.33 with GRsecurity patch. > > We don't have any problems with the ftp service, however the messages in the > log files are annoying. > > Can someone tell me what can cause those? The helper decided to drop a packet. This is usually cause by partial FTP command matches, which can't be handled. > > > My current thoughts are to remove the printk from the kernel. But is there a > better solution? > If you don't use logging, unload the ipt_LOG module. -- To unsubscribe from this list: send the line "unsubscribe netfilter" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
