5
Simple port fwd. 1 interfaceview story

http://www.unix.com – I have been tearing my hair out with this (and not enough left to keep going). I have a linux box (raspberry pi) single ethernet interface in a heavily filtered DMZ with external ports fwd'd that can access an internal IP's (different subnet). I want to forward the traffic. (HowTos)

5
iptables rule sanity check?view story

http://www.unix.com – why would: Code: iptables -A INPUT -s 180.0.0.0/8 -j DROP along with /etc/hosts.deny rule of Code: ALL: 180.0.0.0/8 not stop traffic to/from 180.x.x.x, which I still see by running iftop? Or could iftop just be showing an artifact and is there a better way to monitor connections real-time? (HowTos)

5
Understanding connection tracking in iptablesview story

http://serverfault.com – I'm after some clarification of the state/connection tracking in iptables. What is the difference between these rules? iptables -A FORWARD -m state --state ESTABLISHED,RELATED -j ACCEPT iptables -A FORWARD -m conntrack --ctstate ESTABLISHED,RELATED -j ACCEPT If the above are equivalent, do you need to use the conntrack version when using conntrackd? Is connection tracking turned on when a pack (HowTos)

5
Shareing my 3G T-stick modem.view story

http://forums.fedoraforum.org – Hi Guys, First time to Fedora so please be kind .....:blink: I am trying to share my 3G network to the rest of my LAN and not having much luck. My 3G interface is wwan0 set up by network manager and I get internet just fine. I have my wired ethernet (em1) connected to a wireless router for the rest of the house .. I have disabled em1 (wired) as a managed device in Network Manager else it just (HowTos)

5
Tomcat not available outside localhostview story

https://www.centos.org – Is your firewall (iptables) running? If yes, try disabling it for the duration of the test. [by dejanst] (HowTos)

5
help with iptables and klogdview story

http://unix.stackexchange.com – my router has linux as it's os and the system log has a lot of rows about iptable and klogd that I don't understand, could someone explain them to me? iptables -t nat -A PREROUTING -i ppp33 -p tcp --dport 44447 -j DNAT --to 192.168.1.101 iptables -I FORWARD 1 -i ppp33 -p tcp -d 192.168.1.101 --dport 44447 -j ACCEPT iptables -A INPUT -i ppp33 -p tcp --syn -m limit --limit 6/h -j LOG --log-level 1 (HowTos)

5
Linux IPTables -> is it possible?view story

http://www.unix.com – Hi! I have a dedicated hosting working with 2 ips. Is it possible to block all connections but 1 in all existing ports for only 1 of my ips? I mean like, I have 2 ips for example: 190.x.x.5 and 190.x.x.6 I want that all the connections going to 190.x.x.6 in all ports get rejected but only 1 connection, my laptop ip which is (example) 80.x.x.1 (HowTos)

5
Redirect websockets to port?view story

http://serverfault.com – So, I've got a WebSocket server in C++, that is a completely stand-alone entity - handles header parsing, receiving, sending, all of it on its own, listening directly to the port. Problem is, it needs to run on a server alongside Apache, and that's a bit of a problem. (HowTos)

5
CentOS 5.8 Guest Server IP Pinging doesn't workview story

https://www.centos.org – Can you ping from other machines in the same subnet? Do you have iptables running on the machine and is icmp allowed? Post the output of `iptables-save` if you cannot solve this yourself. [by TrevorH] (HowTos)

5
Can't get iptables firewall working correctlyview story

http://serverfault.com – I'm setting up a new Centos 5.6 system and can't get my iptables firewall to work correctly. it won't let me use SSH through it. I'm new to Centos but not to Linux or iptables. I've been removing things until I have isolated the problem. I set up the firewall with a default ACCEPT rule for the INPUT chain. I can connect through to the server fine. (HowTos)