ipchains help

I use ipchains to Firewall and masquerade my internal subnet. Port 80 on the Firewall's external interface is sent to an internal web server using ipmasqadm portfw. I can access the web server from outside the subnet, but I have to use the internal address to access it from within. What's w

ipchains help

I'm trying to set up a simple firewall/router, but I seem to be having some difficulties, so it is time for me to ask the gurus. This is what I have to work with: |far hosts|---|Router|---|Internet|---|Router|---|Linux RTR/FW|---|switch|---|near host| et

Re: Ipchains Help

Steve wrote: > ipchains -A input -p tcp -j DENY -s 0.0.0.0/0 -i eth0 -d 0.0.0.0/0 1:1023 > ipchains -A input -p ucp -j DENY -s 0.0.0.0/0 -i eth0 -d 0.0.0.0/0 1:1023 > ipchains -A input -p tcp -j ACCEPT -s 0.0.0.0/0 -i eth0 -d 0.0.0.0/0 80 > ipchains -A input -p udp -j ACCEPT -s 0.0.0.0/0 -i eth0 -

Re: Ipchains Help

Steve: I believe you will want it set up like this: # HTTP Client (80) # /sbin/ipchains -A input -p tcp ! -y -i eth0 \ -s 0.0.0.0/0 80 -d 1024:65535 -j ACCEPT # HTTP Server (80) # /sbin/ipchains -A

Ipchains Help

I am new to ipchains and am trying to write a chain to allow www access through port 80. I have the following 4 chains: ipchains -A input -p tcp -j DENY -s 0.0.0.0/0 -i eth0 -d 0.0.0.0/0 1:1023 ipchains -A input -p ucp -j DENY -s 0.0.0.0/0 -i eth0 -d 0.0.0.0/0 1:1023 ipchains -A input -p tcp -j A