Rblcheck Small utility that will check whether a host is blacklisted or not
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Rblcheck Tags

check checker dns server host check host ip checker

Rblcheck Description

Small utility that will check whether a host is blacklisted or not Rblchecks is a small daemon which emulates a DNS server. Clients eg. smtp servers (by their DNS servers) may query it to know whether a host (by its reversed IP address) is blacklisted or not.Rblchecks listens on port 53/udp (not on 53/tcp) and waits for queries. And responses with a 'host not found' message or with the IP address 127.0.0.2 if the queried IP address is blacklisted.NOTE: Rblcheck is licensed and distributed under the terms of the MIT License. Here are some key features of "Rblcheck": · White and black list · Lists may include single IP addresses as well as IP address ranges · Reload lists with the HUP signal · Chrooted environment · Logging facility via syslog · Runs with low privileges · Supports a list of hosts allowed to query us

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