!!! kaliteri eksigisi !!!

[Symeonidis Alexandros]

oso gia to eth0 pu vlepis na exw kani cat ke na lei devide eth1, ine apla
typografiko lathos :P

sta scripts swsta ta exw, apla edw ta egrapsa me to xeri ke oxi copy paste




"nk" <eos at eos.gr> wrote in message
news:mailman.507.1111591954.25292.linux-greek-users at lists.hellug.gr...
>
>
> Symeonidis Alexandros wrote:
> > lipon, tha to ksanapo ti akrivos enoo mpas ke den to ekana ksekatharo...
> >
> > eixa ta eksis:
> >
> > /etc/sysconfig/network
> >
NETWORKING=yesHOSTNAME=some.server.com/etc/sysconfig/network-scripts/ifcfg-e
> > th0 DEVICE=eth0
> > BOOTPROTO=dhcp
> > ONBOOT=yes
> > eixa lipon internet, mesw tu NAT, to opio stin usia ine ws eksis:
> >
> > primaryserver [10.0.0.1] <---> [10.0.0.128]some.server.com (ip given
> > automatically via DHCP / gateway automatically set to 10.0.0.1)
> >
> >
> > twra, epidi sto primary ke to deftero thelw na trekso ta idia services,
px
> > ftp etc...
> > ke thelw na kanw bind mia kanoniki external ip alu network, ke me nat
rules
> > den
> > tha borusa na exw access sto deftero pc kanontas mapping tin idia porta
sto
> > idio ip dio fores,
>
> mexri edw den exw katalavei katholou ti theleis na peis pera ap to oti h
> eth0 sou pairnei dynamika mia ip ki ena default gw (den jerw ti ennoeis
> primary kai deftero, oute ti einai na kaneis map thn idia porta sthn
> idia ip dyo fores)
>
>
> > evala mia nea karta diktiou, ke akoluthi to configuration tis:
> >
> > /etc/sysconfig/network-scripts/ifcfg-eth0
> >
> > DEVICE=eth1
> > BOOTPROTO=static
> > BROADCAST=66.xxx.xxx.255
> > IPADDR=66.xxx.xxx.124
> > NETMASK=255.255.255.0
> > NETWORK=66.xxx.xxx.0
> > GATEWAY=66.xxx.xxx.1
> > ONBOOT=yes
> > TYPE=Ethernet
> >
>
> na mou epitrepseis mia dieykrinish: ayto den einai to configuration enos
> iface, einai ena script ap to opoio ena shell script thetei to
> configuration enos iface, thelw na pw m ayto oti briskesai se lathos
> kateythynsh, kapws etsi parametropoioume ifaces kai sta windows,
> symplhrwnoume times se diaforous magous kai de mas polynoiazei ti
> akribws tha kanoun aytoi oi magoi me tis times pou tous dwsame, ayth h
> antilhpsh malista xarakthrizei tous xrhstes sta windows, oi diaxeiristes
> sta windows akomh exoun mia plhresterh antilhpsh gia tis analoges
> leitourgies, epipleon otan h
> cat /etc/sysconfig/network-scripts/ifcfg-eth0
> sou jekinaei output me th grammh
> DEVICE=eth1
> tote ta pragmata ginontai akomh periplokotera ws pros to oti deixnei oti
> oute me tous wizards exeis eparkh ejoikeiwsh
>
> > to apotelesma ine to eksis:
> > apo to pc mesa, an kanw px: lynx www.myip.dk   mu emfanizi to neo static
ip
> > tis eth1
> > ara ola ginonte mesw tis eth1 pleon!
> > omos, apo to primary server, boro ke exw prosvasi sto secondary, ws
> > 10.0.0.128
> > afto simeni pos ke oi dio kartes ine swsta rithmismenes ke dulevun!!!
> >
> > to provlima:
> > Tha ithela, kapia sigekrimena paketa na pane mesw tu eth0, ke oxi tu
eth1
> > !!!
> >
> > sigekrimena, thelw ola ta outgoing TCP paketa mias portas na pane mesw
tu
> > eth0,
> > ke fisika na ginonte translate gia to eth0, dld:
>
> xwris na eimai sigouros oti exw katalavei thn anagkh sou ypothetw oti
> ennoeis kati san
>
> iptables -t nat -A [/ -I] OUTPUT [/ POSTROUTING] [-s xx.xx.xx.xx an
> xreiazesai] -p tcp --source-port zz,zz -j MASQ [/ SNAT -to-source
> yy.yy.yy.yy]
>
> eite/kai
>
> ip rule add from yy.yy.yy.yy  table <mytable>
> ip route add def via yy.yy.yy.yz dev eth? table <mytable>
>
> diavase ta sxetika man pages gia na se voithisoun na entopiseis akribws
> ti theleis na kaneis kai pws na to kaneis, wstoso vevaiwsou oti
> antilamvanesai ta sxetika me th dromologhsh paketwn kai zhta apo
> kapoion, px ton proistameno sou, na se boithisei, mhn epixeirhseis na
> antigrapseis syntajh apo ta parapanw paradeigmata, den shmainoun tipote.
>
> >
> > TCP outbound port 2525 -> eth0
> >
> > bori kapios na me voithisi me afto ???
> >
> > efxaristw poli prokatavolika !!!
> >
> >
> >
> >
> > ------------------------------------------------------------------------
> >
> >
>