UnixServerAdmin

Server Administration & Management

Rating of 127.0.0.X

Returned code –> Category –> Details

127.0.0.1 –>  Whilelist –> Trusted nonspam,
127.0.0.2 –>  Blacklist –> Block spam, accept as Open Relay, Hijacked PCs, Spam Source
127.0.0.3 –>  Yellowlist ->mix of spam & nonspam, do not blacklist or whitelist, Dynamic/ADSL/Cable Networks
127.0.0.4 –> Brownlist –> All spam, but not yet enough to blacklist, Domain Names, PTR of Dynamic Networks
127.0.0.5 –> Bulk ——–> NOBL listed, not a spam source, do not blacklist, maybe whitelist
127.0.0.6 ———-> Known relay server and dial-up user account
127.0.0.8 ———-> HTTP gateways – Insecure http servers deploying form to email gateways and cgi scripts.
127.0.0.9 ———-> Open proxy servers – Any server that acts as a proxy for spam,
127.0.0.14 ———> Black, grey, red (for testpoints)
127.0.0.255 ——-> your DNS is blocked from querying URIBL

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Return Code     Description

127.0.0.0/24 —-> Spamhaus IP Blocklists
127.0.1.0/24 —-> Spamhaus Domain Blocklists
127.0.2.0/24 —-> Spamhaus Whitelists

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March 20, 2011 Posted by | Tips & Tricks, Unix/Linux | , | 5 Comments