Quantcast
Channel: zeldor.biz
Browsing latest articles
Browse All 4 View Live

Image may be NSFW.
Clik here to view.

Postfix home server

If you have a mail server at home and your Internet service provider (ISP) has no right PTR record for your assigned IP, you will get trouble the most mail servers will reject you. Some best examples...

View Article



Image may be NSFW.
Clik here to view.

Unbound DNS-Server

Unbound is a validating, recursive, and caching DNS server alternative to BIND(Berkeley Internet Name Daemon) its a software product from NLnet Labs, VeriSign, Nominet, and Kirei. And of course its...

View Article

Image may be NSFW.
Clik here to view.

Mac OS X 10.8 flush DNS cache

I came across this Apple specific DNS cache situation this morning. I changed a DNS record for my GIT-server and was trying to access it again, the DNS was still showing the old IP-Address. After some...

View Article

Image may be NSFW.
Clik here to view.

Hide BIND sever version from nmap

Security fix for the DNS infrastructure to hide the the sensible information about the version and potential security critical bugs. Edit your named.conf.options and add the following additional 3...

View Article
Browsing latest articles
Browse All 4 View Live




Latest Images