Tag Archives: IP

Creating a DNS Fail over network (dnsfailover.org.uk)

Has your DNS Server or Name Server ever gone down and clients are not able to resolve your website name to its IP address but you are able to go to the IP address directly and the site is there, … Continue reading

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Posted in Personal Projects | Tagged , , , , | Leave a comment

Setting up DNS SRV for services like SIP and IAX…

This is a copy and paste from voip-info.org which helped me on a recent project… All credits go to the author of the post oej… DNS SRVĀ  A Domain Name Server (DNS) SRV record helps connecting to a SIP user … Continue reading

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Posted in How To Guides, Little Guides, Usefully Found Stuff | Tagged , , , , , , , , , , , , | Leave a comment

DHCP Relaying over IPSEC with a back end Centos 5.5 server…

Introduction This post is going to be a high level over view of having multiple sites all connecting back to a central office or hosted server in a data center using IPSEC VPN. Before starting make sure you have a … Continue reading

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Posted in Hello Telecom (UK) Plc, How To Guides, Little Guides | Tagged , , , , , , , , , , , , , , , , | Leave a comment

Asterisk firewall and some useful tips….

So you have just installed asterisk on a linux system, and maybe you have also installed FreePBX to administer it, good for you. Firewalls.. Below i have listed a nice firewall script for use on a fresh centos+Asterisk installation. service … Continue reading

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DrayTek v3300 LAN High Availability (CARP)…

For the last few years I have been dealing with the Draytek v3300 and wanted to just do a brief write up on the LAN Fail Over abilities of this great device. The Draytek v3300’s High Availabily features enable the … Continue reading

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Posted in How To Guides, Little Guides | Tagged , , , , , , , , , , , , , , , , , , , , , | Leave a comment