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<DIV>Tha ithela na me voithisete se ena provlima pou exw. </DIV>
<DIV>Exw ena pc me egatesthmenh RedHat .</DIV>
<DIV>Tha ithela na mplokarw thn prosvash se oles tis yphresies se ips pou
arxizoun apo 200.10.10.* px. Pera apo firewalls kai mono mesw linux
prospathw alla kati den kanw swsta mallon. Dokimasa na valw sto hosts.deny ALL
kai meta na epitrepw mono ip pou pragmaika xreiazontai aftes tis ypiresies (
telnetd,ftpd e.t.c) alla den doulevei. Isws den to exw grapsei akrivws opws
xreiazetai. Gia paradeigma sto hosts.deny exw in.telnetd :
ALL:ALL . </DIV>
<DIV> </DIV>
<DIV>Mporeis na kaneis to eksis. Sto /etc/hosts.deny bazeis ALL: ALL@ALL pou
shmenei oti kobeis oles</DIV>
<DIV>tis uphresies apo olo ton kosmo. Ystera sto /etc/hosts.allow bazeis me th
swsth domh mia - mia tis </DIV>
<DIV>uphresies pou thes kai ta IPs. px in.ftpd: <A
href="mailto:ALL@147.52.181">ALL@147.52.181</A>. ( prosoxh sthn teleia )
dhladh epitrepeis</DIV>
<DIV>se ola ta mixanimata tou diktuou 147.52.181.0 kai se olous tous users
ekei na kanoun ftp. To thema </DIV>
<DIV>einai oti mporeis na xrhsimopoihseis ta hosts.allow / hosts.deny mono gia
services pou uposthrizoun</DIV>
<DIV>TCP Wrappers. </DIV>
<DIV> </DIV>
<DIV>Heh, telika h kaluterh lush einai man hosts.allow kai hosts.deny.</DIV>
<DIV>Pantos kalo einai services pou den ta douleueis ( px telnet ) na ta
bgazeis kai apo to /etc/inetd.conf.</DIV>
<DIV> </DIV>
<DIV> </DIV>
<DIV>-=*\| Nick Mpeglitis |/*=-<BR>E-mail address: <A
href="mailto:coyote@edu.physics.uoc.gr">coyote@edu.physics.uoc.gr</A><BR>
<A href="mailto:nmpeglit@ucnet.uoc.gr">nmpeglit@ucnet.uoc.gr</A><BR>Personal
Home Page: <A
href="http://www.edu.physics.uoc.gr/~coyote">http://www.edu.physics.uoc.gr/~coyote</A><BR></DIV></BLOCKQUOTE></BODY></HTML>