Category Archives: Security

F5 iRule Class Match Crash

Problem: F5 iRules with “class match” crash sometimes with this message: /Common/UA_DETECT – ambiguous option “-“: must be -all, -index, -element, -name, or -value while executing “class match [string tolower [HTTP::header User-Agent]] contains UA_STRINGS” Discussion: the class match command has … Continue reading

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Ubiquiti UniFi the Next Botnet ?

I tested a Ubiquiti access point today. UAP-AC-Lite seems to be a very good and cheap access-point. When you take it out of the box and connect it to the network it gets an IP address using DHCP and waits for … Continue reading

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