blob: d823ab038d4837ee8f5843f2a38a09291b2fab2c (
plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
|
# tcp_syncookies
# default value - 1
# Send out syncookies when the syn backlog queue of a socket overflows.
# This is to prevent against the common 'syn flood attack'
type: txt
help: Set policy for using TCP SYN cookies with IPv4
comp_help:Possible completions:
enable\tEnable use of TCP SYN cookies with IPv4
disable\tDisable use of TCP SYN cookies with IPv4
default: "enable"
syntax:expression: $VAR(@) in "enable", "disable"; "syn-cookies must be enable or disable"
update:
if [ x$VAR(@) == xenable ]; then
sudo sh -c "echo 1 > /proc/sys/net/ipv4/tcp_syncookies"
else
sudo sh -c "echo 0 > /proc/sys/net/ipv4/tcp_syncookies"
fi
delete:
sudo sh -c "echo 1 > /proc/sys/net/ipv4/tcp_syncookies"
|
