Search found 4 matches

by maurobonassin
2019/05/29 09:02:08
Forum: CentOS 6 - General Support
Topic: SSH console kernel messages
Replies: 7
Views: 2089

Re: SSH console kernel messages

Post the output from iptables-save # Generated by iptables-save v1.4.7 on Wed May 29 10:56:39 2019 *nat :PREROUTING ACCEPT [4449115:293465242] :POSTROUTING ACCEPT [1793125:125653840] :OUTPUT ACCEPT [1793125:125653840] COMMIT # Completed on Wed May 29 10:56:39 2019 # Generated by iptables-save v1.4....
by maurobonassin
2019/05/29 07:29:01
Forum: CentOS 6 - General Support
Topic: SSH console kernel messages
Replies: 7
Views: 2089

Re: SSH console kernel messages

Well, maybe. From the "nf_ct_ftp:" in each of the examples you gave, I would expect there to be a line which does something similar but includes --log-prefix "nf_ct_ftp: " . But, yes, those are iptables log lines and someone has deliberately created a rule that logs those. Either they want them or ...
by maurobonassin
2019/04/10 15:45:59
Forum: CentOS 6 - General Support
Topic: SSH console kernel messages
Replies: 7
Views: 2089

Re: SSH console kernel messages

Could be this iptables rules?

-A INPUT -j LOGGING
-A LOGGING -m limit --limit 10/min -j LOG --log-prefix "DROP: " --log-level 7
-A LOGGING -j DROP
by maurobonassin
2019/04/08 15:39:23
Forum: CentOS 6 - General Support
Topic: SSH console kernel messages
Replies: 7
Views: 2089

SSH console kernel messages

I'm using Centos 6, and SSH console is flooded with kernel messages: Message from syslogd@server at Apr 8 16:42:00 ... kernel:[545536.542131] nf_ct_ftp: dropping packetIN= OUT=eth0 SRC=..... DST=..... LEN=65 TOS=0x10 PREC=0x00 TTL=64 ID=65256 DF PROTO=TCP SPT=21 DPT=49012 SEQ=3506371794 ACK=28731995...

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