This concept will work for practically any sip server, assuming it runs linux and uses iptables. I wrote this looking forward into the future of sipxecs, where protection mechanisms of certain levels are being added at the proxy level. Until users adopt and deploy 4.6 (some are slower than others, right Windows XP users?), this
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We find pfSense to be an excellent free firewall. We do also find with the 2.0 release that the traffic shaping capabilities are still not fixed (worked great in 1.23 though). We don’t let this dissuade us from using it as a firewall, though we now shpae bandwidth with a commercial appliance that gives us
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OLD PBX. Actually it’s an OLD linux based SIP system. It’s fun though, read on… I was contacted by a firm running an old sipxecs system, running version 3.10.3. They want to upgrade it and find someone they could use to make sure it works properly. It was easy-peasy. After doing a backup and export,
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