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sysctl net.ipv4.tcp_syncookies command returns unknown key


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[root@centos /]# sysctl net.ip4v.tcp_syncookies

error: "net.ip4v.tcp_syncookies" is an unknown key

 

in Centos 6

 

the issue may be that I'm following a slightly old manual (2009) which more often refers to Fedora/RHEL and very rarely Centos.  the key does exist under the path, I'm looking at it..

 

Thanks in advance for your help :-)
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Welcome to the forums! smile.png sorry for late reply. forums haven't been very active. Glad you figured it out. You can join our irc channel. irc.foreverchat.net #linux and the linux mint channel (donno what server though) there seems to be nice people too.

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  • 2 weeks later...

Welcome to the forums! We're glad to have you here! smile.png

 

 

sysctl net.ip4v.tcp_syncookies

 

You've already noticed and pointed out that the issue here was mistyping ipv4 as ip4v, but I thought I'd clarify that was the issue here for anyone else reading. It happens to us all. smile.png

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