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csf can block dhcp ?

Posted: 11 May 2021, 17:07
by ale-ab
hello,
i have a server in cloud and i want access only from my ip

so i add in csf.allow my ip
and in csf.conf i set
TCP_IN = ""
UDP_IN = ""

same for ipv6

but when i reboot server, is offline...
i can't access in ssh but if i access with console (on provider panel) and try to ping 8.8.8.8
network is unreachable

of course server have a public ip, but is not static settings but keep ip from DHCP server.

if i disable csf and reboot server i can access or ping it...

so, can csf block assign ip from DHCP server?

maybe i set
udp in 68
udp out 67
???

thank you

Re: csf can block dhcp ?

Posted: 12 May 2021, 10:21
by ale-ab
strange is on other server , same configuration DHCP works fine...

can anyone have this issue?

thank you