DNS Blacklist Packet Filter is a Linux netfilter client that decides whether to accept or drop packets based on the results of a DNS blacklist query (such as MAPS, SORBS, or SPEWS, to name a few). One use is to filter all incoming SMTP SYN packets for spam filtering.
| Tags | Internet Networking Firewalls Monitoring |
|---|---|
| Licenses | GPL |
| Operating Systems | POSIX Linux |
| Implementation | C |
Recent releases


Release Notes: This release rips out dotconf and replaces it with libconfig (a sample config is included). There are other miscellaneous fixes and improvements.


Release Notes: A serious signing bug was fixed. Upgrading is strongly recommended.


Release Notes: The last release had a bug in which it would allow all packets through, regardless of the verdict. This release should fix that.


Release Notes: A few minor cleanups were made to make the client work with newer machines and OSes. It now compiles and runs successfully on FC9 under 2.6.25 on a 64-bit machine.


Release Notes: The new netfilter-queue architecture is now used.