In Reverse Proxy mode (not tunnels or VPNs) all connections proxied by X4B will come from our servers instead of a client. To most firewalls this appears like an attack from your proxy IP.
For testing and before opening a support ticket you should disable all rules. On linux the firewall module of choice is iptables. You can temporarily clear all iptables rules with the following commands.
iptables -F iptables -X iptables -t nat -F iptables -t nat -X iptables -t mangle -F iptables -t mangle -X iptables -P INPUT ACCEPT iptables -P FORWARD ACCEPT iptables -P OUTPUT ACCEPT
Adding an exception in CSF
To add an exception in CSF you need to edit your
csf.allow file this can usually be found in