[SOVED]firewall-sinexeias

[Pavlos Parissis]

On Thu, 24 Nov 2005 16:12:17 +0200
Christos Ricudis <ricudis at komodino.itc.auth.gr> wrote:

> Alex Chontzopoulos wrote:
> 
> >1) Ola einai sxetika. Den katalabainw giati den theoreis iper tis
> >apopsis mou, to gegonos tis apontharinsis tou upopsifiou drakoumel,
> >apo to aplo gegonos oti gia na scannareis 1 IP apo ena kalostimeno
> >firewall me policy DROP tha xreiasteis toulaxiston 2 wres ??? 
> >
> To complete scan tou TCP port space einai theoretically upper bounded 
> stis 4642 wres (giati?). Analogws tou implementation, yparxei epishs
> ena upper bound to opoio se mia koinh periptwsh einai 1638 wres
> (giati?) Yparxei ena poly eksypno kolpo to opoio mporei na meiwsei to
> upper bound dramatika. Mporeite na to fantasteite?
> 

an epiasa to noima, les o drakoumel vazei xamila timeout kai etsi o kernel den pairimenei poli.
nomizw oti prepei na piraxthoun ta parakatw kai na mpoun xamiles times
ip/ip_ct_tcp_timeout_syn_sent
tcp/tcp_syn_retries

mporei kai na kanw lathos vevaia.

pantws egw simfono me ton filo, close kai pali close
alla kai ena mirror sto iptables gia sigkekrimenous papares den tha einai kai asximo...

pavlos


> -- 
> Christos Ricudis				ricudis at itc.auth.gr
> Systems Administrator				+30-2310-998656
> IT Support Center
> Aristotle University of Thessaloniki, GREECE
> 
> 
> -- 
> linux-greek-users mailing list -- http://lists.hellug.gr