CSF restart from CWP crash iptables...

I've added few iptables rules with

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iptables -A etc

now when from the CSF Firewall page I click on Firewall Restart button... the web page crash, I mean the webpanel gets unresponsive for few minutes (tested with multiples browsers) and if I issue the command

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service iptables status I see it running but without the custom rules settled before

then if I give the command

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service iptables restart I got back the custom rules and the page "List iptables rules" on CWP working again

is that normail or a bug?

CWP version 0.9.8.4

manually added something to iptables will flush that rule on restart of csf.

manually added something to iptables will flush that rule on restart of csf.

doh! so I have to learn CSF..

I guess I'll put those rules on "Firewall post configuration" because I little big complex,
example:
Chain POSTROUTING 1    MASQUERADE  all  --  10.8.0.0/24          0.0.0.0/0

umh,csf doesn't accept

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iptables -t nat -A POSTROUTING -s 10.8.0.0/24 -o eth0 -j MASQUERADE
Error:[iptables v1.4.7: Invalid target name `MASQUERADE]

got it!
I opened /usr/local/csf/bin/csfpost.sh with vim and the option :e ++ff=unix and deleted ^M at the end of each line
now csf is appling the iptables rules correctly