ipchains

[Antonis Tsolomitis]

Prospa0w me tnv bon0eia tou ipchains HOWTO va stnsw 
kapoious kavoves gia firewall.

As ypo0esoume oti 0elw va epitrepw ssh syvdeseis ka0ws kai http
kai otidipote allo va apagoreuetai. Symfwva me to HOWTO:

ipchains -A input -s 0.0.0.0/0 ssh -p TCP -d 0.0.0.0/0 ssh -j ACCEPT   
ipchains -A input -s 0.0.0.0/0 www -p TCP -d 0.0.0.0/0 www -j ACCEPT

Mexri edw ola pave kala. Twra prepei va evergopoin0ei n politikn
gia to input. Opote divw

ipchains -P input DENY

Meta apo ayto dev douleuei tipota. Ki omws to HOWTO etsi leei
n' kati dev katalabaivw kala. OK leei prwta tnv politikn kai meta
ta ACCEPT alla kai etsi dev douleuei (dev dexetai dnladn ssh oute www
syvdeseis).

Ti paei straba?

AT.



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