Sunday, January 25, 2015

Tel: +44 (0)1525 850 440
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Guardian Internet Support Services (UK) Limited, or GISS, are a specialist internet security products reseller. GISS supplies and supports FortiNet FortiGate  and Cisco ASA Firewalls and Unified Threat Management (UTMs) appliances. These appliances include Anti-Virus (AV), Intrusion Detection Systems (IDS), Web Filtering, Anti-Spam, IPSEC VPN and SSL VPN, WAN Optimisation, Data Link Prevention (DLP) and Appllcation Control technology.

We also provide fully managed firewall support services and SLAs (Service Level Agreements) and ad-hoc firewall support services.

GISS have been awarded "Best FortiNet Support in Europe" two consecutive years running.

GISS are also the proud developers of FirePlotter - a real-time session monitor for Cisco & FortiNet Firewalls.

GISS also offer a FortiConverter Firewall Conversion Service. Using FortiNet's FortiConverter to migrate CISCO PIX or ASA, Sonicwall, or Jupiter firewall configurations to FortiGate configurations - click here for more details.


Jan 09 2015 - High Availability Internet
Today a large architects company has asked GISS to assist in debug of internet availability. So we have been helping them to track down the fault in their LAN(s), Firewall, Router, ISP sequence. Later i n the day, GISS provided evidence of the fault -  that in this case showed that the internet downtime was clearly being caused by the ISP. Too often ISPs fob off customers who have connectivity problems. GISS are able to help customers to quickly collate evidence that can be submitted to their ISP to get faster resolution of these kind of internet access problems - and so help them to establish robust internet connectivity with confidence. Please Contact Us if you need assistance with this kind of challenge.

Oct 10 2014 - William the Conqueror accesses Youtube.
A school on the south coast of the UK that is a valued GISS customer sent us this message today: "William the conqueror was able to get onto youtube. He even had the access point set up in one of those pointed tents with the flag on top." This school, based near Battle, Hastings was involved in a re-enactment of the 1066 Battle of Hastings, and had requested assistance with providing Wifi access for the event. We were able to provide FortiNet Wifi Access Point technology to help out. The event apparently was a "ripping success". See

Sept 25 2014 - Shellshock or ( shell shock ) Bug and FortiNet FortiGate firewalls.
News just in at 17:00 from FortiNet SE regarding shellshock bug is: "We are aware and our IPS team is working to create signatures to block this. The FortiGate itself is not vulnerable." See: for more information on Shellshock. Also see: for more information on how FortiAnalyzer, FortiManager and others are affected (patch needed).