Displaying 2 results from an estimated 2 matches for "syn_flood".
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lsynflood
2014 Jan 24
1
Possible SYN flooding on port 8000. Sending cookies
...Jan 24 07:45:04 HN kernel: [27516789.113919] possible SYN flooding on port
8000. Sending cookies.
Jan 24 13:11:31 HN kernel: [27536366.011845] possible SYN flooding on port
8000. Sending cookies.
The site below advises:
"This message can come a from a SYN
DDOS<http://en.wikipedia.org/wiki/SYN_flood>,
but in our case it was because of the amount of new connections one of our
application was receiving. The syslog message is emitted when the SYN
backlog of a socket is full."
http://blog.dubbelboer.com/2012/04/09/syn-cookies.html
Furthermore:
"While you see SYN flood warnings in...
2011 Jul 13
4
[Bug 728] New: ip_tables: limit match: invalid size 40!=48
...shed chain 3
xt_table_newinfo:size1488,number8,initial_entries0,hookentry[5]:00100811600,underflow[5]:0856100811600..
newinfo->size:1488,i:8,ret:0
ret:0,tmp.valid_hooks:14,tmp.size:1480,tmp.num_entries:8compat_do_replace:
Translated table
do_replace: oldnum=7, initnum=4, newnum=8
$./iptables -N syn_flood
=========than print Ivalid arguments
t->private->number = 8
fun_into_compat_do_ipt_set_ctl
compat_do_replace_copy_from_user
copy from user:name filter,valid_hooks 14,number entries10,size
1816,hood_entry[5]:00100811600,underflow[5]:0856100811600,num_counters:8,counters:268608600,..
tmp.size...