Tag Archives: dig

Bluecoat ProxySG and DNS using edns seem incompatible

Intro Imagine your DNS server had this behaviour when queried using dig: $ dig drjohnstechtalk.com @146.201.145.30 ; <<>> DiG 9.9.2-P2 <<>> drjohnstechtalk.com @10.201.145.30 ;; global options: +cmd ;; Got answer: ;; ->>HEADER<<- opcode: QUERY, status: FORMERR, id: 48905 ;; flags: … Continue reading

Posted in Admin, DNS, Network Technologies | Tagged , , | Leave a comment

Dig for Windows

Intro Dig is a really useful networking tool. I use it several times a day. But always on Linux where it’s usually built-in. On Raspberry Pi’s raspbian you can install it with a simple apt-get install dnsutils. Then I learned … Continue reading

Posted in Network Technologies | Tagged | Leave a comment

Announcing a simple DNS web interface and code

Intro For demonstration purposes I’ve written a WEB interface to do DNS queries. This can be used for light querying. Once it gets abused I will pull it from the web site. Motivation Some large enterprises are behind not only … Continue reading

Posted in DNS, Linux, Network Technologies, Perl | Tagged | Leave a comment

The IT Detective Agency: is the guy rebooting our Linux server from France?

Intro Sometimes you get a case that turns out to be silly and puts a smile on your face. This one is hardly worth the effort to write it up, but as I want to portray the life of an … Continue reading

Posted in Admin, DNS | Tagged , , , | Leave a comment