Category: Network Security

Check Point Firewall – Interfaces Reordered Upon Upgrade

A few days ago, one of our Check Point IAS M6 Firefly equiped, R70.20 Splat clusters, had a member fail due to “PLANAR VOLTAGE FAILURE”, so says the IBM iLO event log. Since this is not solved by a simple power supply replacement, so an RMA replacement unit from Check Point was obtained. The new…

Read More »

Check Point Firewall – Backup vs Snapshot

Backup procedures Check Point provides three different procedures for backing up (and restoring) the operating system and networking parameters on your appliances. • Snapshot (Revert) • Backup (Restore) • upgrade_export Each of these procedures backs up certain parameters and has relative advantages (such as: file size, speed, and portability), which are fully described in this…

Read More »

Blue Coat ProxySG – ICAP, deferred scanning, and data trickling

Recently I was digging into a BlueCoat ProxySG / ProxyAV setup for ICAP and noticed some things that had room for improvement. Not a major overhaul, but some things that were missed from the best practices guide that just so happened to be causing a bit of an issue. Below is part of the small…

Read More »

Blue Coat Proxy – test http get

When troubleshooting user internet connection issues with a specific URL, that are returning the very unhelpful Blue Coat “TCP Error” message, I normally pop into the Blue Coat ProxySG appliance and run a test from the appliance to the URL in question. I will log into the ProxySG appliance via SSH, and issue the command…

Read More »

Blue Coat ProxySG – CLI Commands

Here is a list of Blue Coat ProxySG CLI commands, that I have compiled from my studies, Blue Coat documents, and places around the web. This is by no means an exhaustive or comprehensive list, but is rather meant to be a command line KB of sorts – mainly for my quick reference. The list…

Read More »

Blue Coat ProxySG – Creating A Splash Page

There do not seem to be many up to date resources regarding the building of BlueCoat splash pages, or exception pages. Even the top Google search will point you to a BlueCoat document (578) that is dated “v3-0609” for June of 2009, or to another BlueCoat document (8577) that are pretty stripped down and provide…

Read More »