I need to set ebtables up on a mini-firewall weve got. Id like to just use ebtables-save to dump the rules from another firewall, and restore it to the new one.There is *no* manpage* for either ebtables-save or ebtables-restore. Usage- restore doe..
I have a number of machines (hardware and VMs) running CentOS 7.I all cases firewall-config is not functional.First, the service check boxes are not functional.When you click on one, itdont change to checked, and nothing changes on the firewall.Howe..
here I have an eMail with connected to a DMZ 10.0.0.0/24 network. This server holds 10.0.0.87There are two firewall-hosts one with CentOS 6 10.0.0.10 and one with CentOS 7 10.0.0.17The CentOS 6 has the following iptables-rule (extract):————-..
I am having problems with EDNS support on a few CentOS 6.3 bind servers.I am trying to determine if the problem is my Juniper SSG5 firewall of CentOS.All the servers have firewall enabled, though I have tested with stopping iptables and ip6tables.I..
I use lokkit to set my firewall.on 5.X seems the default is to allow multicast through. on 6.3 seems the default is to block multicastwhat can I use on the command line for lokkit to enable port 6550 for multicast?Th..
I am trying to get ipv6 firewall running. I did a very simple ip6tables rules and noticed very long running yum updates. I think that happened because firewall is dropping outgoing packets to port 80. Well, Ithought to mitigate the issue and chan..
You could get your firewall ACCEPT but LOG the outgoing 25 from anything but your mailhub.Have often wondered whether a transparent mail-proxy could be set up, similar to a transparent web-proxy, with your firewall catching all port 80 and redirect..
I have been reading a tutorial on configuring and securing a CentOS 6.2 machine: http://www.howtoforge.com/perfect-server-centos-6.2-x86_64-with-apache2-ispconfig-3-p3This tutorial bases the configuration on an application called ISPConfig. I am ..
A long time ago I setup a Linux machine as a Gateway/LAN Server using Verizon DSL as the ISP.I used the following HOWTO as the guide – DSL HOWTO For Linux: http://www.tldp.org/HOWTO/DSL-HOWTO/index.html , Is there something comprable for Veri..
Good morningWith iptables in CentOS 5 and 6 Linux – how can you please prevent processes running as root, apache or nobody from initiating outgoing connections?On CentOS 5 Linux Ive tried putting these lines into /etc/sysconfig/iptables:-A OUTPUT..