Technical Advice
- Blocking LAN service ports, ports we recommend blocked at the border of every JANET connected network.
- Conficker and how to respond to reports of infections from JANET CSIRT
- Dealing with worms or viruses
- DNS Resolver configuration, including the dangers of Open DNS resolvers.
- Investigating SSH port scans
- JANET CSIRT use of NetFlow data
- Penetration Testing Factsheet
- Spam Bounces Considered Harmful, rejecting messages during SMTP session preferred
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