- Not ready for production
- netfilter and iptables are still in developpement
- so is linux 2.4
- New and complicated syntax
- Does not apply good old habits:
- application filtering : tcpwrapper
- kernel functionnality : rp_filter
- Unique options : filtering depending on the user, group, process or session
- Will soon reach numerous professional offers
- filtering state is not perfect ... but often good enough.
- numerous proxy exist for ipchains and will be ported to netfilter
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