http://unix.stackexchange.com – I'm wondering about this, and I can't seem to find an explanation on the internet. I have a linux gateway which has multiple interfaces: eth0: external ip eth1: 172.16.1.1/24 eth2: 172.16.2.1/24 ip_forward is enabled. IPtables is configured to NAT traffic from eth1 -> eth0 and eth2 -> eth0. (HowTos)
Email this pagehttp://news.softpedia.com – ConfigServer Firewall, an SPI iptables firewall that is straight-forward, easy and flexible to configure and secure with extra checks to ensure smooth operation, is now at version 5.72.Highlights of ConfigServer Firewall 5.72:• Missing DD setting in DA and generic installations for ST_DISKW have been added;• IPv6 port settings have been modified to reflect IPv4 port settings for new inst (General)
Email this pagehttp://askubuntu.com – I have this strange problem, I am unable to access imgur.com from Ubuntu ! I have checked the /etc/hosts file, there seems to no entry related to imgur. I can access it from Windows(same connection). I cannot ping it or traceroute it, I cannot even ping the IP of imgur. I have cleared iptables too, what could be the cause ? i cannot access gravatar.com too !! (HowTos)
Email this pagehttp://unix.stackexchange.com – I'm following this guide here: http://isalazyadmin.net/2009/07/02/configuring-a-basic-firewall-for-debi... And I have the iptables listed shown, but my server still appears to be accepting all incoming connections (ie: bittorrent peers are still connecting, even though I didn't allow those ports). /etc/iptables.rules *filter # This will allow all loopback (lo0) traffic and drop all traff (HowTos)
Email this pagehttp://stackoverflow.com – After I execute iptables, it shows Usage: /sbin/modprobe-bin [-v] [-V] [-C config-file] [-n] [-i] [-q] [-o <modname /sbin/modprobe-bin -r [-n] [-i] [-v] <modulename> ... /sbin/modprobe-bin -l -t <dirname> [ -a <modulename> ...] Usage: /sbin/modprobe-bin [-v] [-V] [-C config-file] [-n] [-i] [-q] [-o <modname /sbin/modprobe-bin -r [-n] [-i] [-v] <modulename> ... Afte (HowTos)
Email this pagehttp://serverfault.com – I have an interesting issue with OpenVPN Ubuntu 12.04. I've been running an OPenVPN box for some time now. (HowTos)
Email this pagehttp://serverfault.com – I'd like to invoke sending an e-mail (or running a particular script, if that would be possible) when a certain iptables DROP rule is being run. (For instance, when I'm blocking an IP after 5 failed SSH logins, I'd like to run mail -s "SSH Blocked" info@example.com or something similar. Is there a way to directly have iptables execute this? (HowTos)
Email this pagehttp://serverfault.com – I have iptables blocking all UDP traffic at the moment, however I want to allow only certain DNS queries to get through. Let's use google.com as an example. I am trying to use string matching to find the domain name in the request, and allow it. (HowTos)
Email this pagehttp://serverfault.com – I write a web based proxy by PHP+curl, on my network some site need through proxy, if I use the CURLOPT_PROXY setting, it has some redirects, so will return 302 error, if add CURLOPT_FOLLOWLOCATION to 1, the windows will jump to other, so can't show in my ifream, is there someway to set iptables make php outgoing connections through proxy? (HowTos)
Email this pagehttp://stackoverflow.com – I have iptables blocking all UDP traffic at the moment, however I want to allow only certain DNS queries to get through. Let's use google.com as an example. I am trying to use string matching to find the domain name in the request, and allow it. This is what I came up with. (HowTos)
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