Fw: www.hostmaster.gr & masquarade

Filippos Slavik fsla at forthnet.gr
Thu Jan 24 10:26:02 EET 2002


At 07:19 ìì 23/1/2002 +0200, akops77 wrote:
>Lathos se ti? To oti yparxei diafora sto pws ilopoieitai to tracert metaxi
>microsoft kai loipon einai epibebaiomeno. Prosfata proekipse antistoixo
>thema stin douleia kai anagastikame kai to psaxame.

Xmmm... mexri shmera pisteua pws ta tools opws ping, traceroute, ktl, 
paizoun me to "protokolo" ICMP pou einai yposynolo ths oikegeneias twn 
protokolwn TCP/IP :)) An den ennoeis, pws sthn ousia kai ta ICMP paketa 
einai connectionless, ara kata kapoio tropo datagrams, ara kata kapoio 
tropo "miazoun" ligo sta UDP, tote tha se parakalousa an mporeis na me 
protrepseis se kapoia resources opou mporw na diabasw kati parapanw 
("diafora sto pws ilopoieitai to tracert metaxi microsoft kai loipon einai 
epibebaiomeno").



>Pantos yparxoun arketa idrimata ta opoia ontos koboun ta ICMP paketa....

Thanks
Slavikos


>Kopsaftis Antonis
>akops77 at hotmail.com
>----- Original Message -----
>From: "Filippos Slavik" <fsla at forthnet.gr>
>To: <linux-greek-users at lists.hellug.gr>
>Sent: Wednesday, January 23, 2002 12:03 PM
>Subject: Re: Fw: www.hostmaster.gr & masquarade
>
>
> > At 07:31 ìì 22/1/2002 +0200, you wrote:
> > >To idio ginetai kai me emena... Apo oti fainetai sto Forth prepei na
>exoun
> > >balei access list i opoia kovei ta ICMP paketa. Gia auto kai apo WinPC to
> > >tracert den oloklironetai (xrisimopoiei ICMP) enw apo mixanima Unix kai
>apo
> > >Router pou dokimasa ola douleuoun kanonika (ekei to tracert ilopoieitai
>me
> > >UDP paketa)!!!
> >
> > Nomizw pws kaneis lathos :)
> >
> > Slavikos
> >
> >
> >
> > >----- Original Message -----
> > >From: "BackUp" <leonidas at empa.gr>
> > >To: <linux-greek-users at lists.hellug.gr>
> > >Sent: Tuesday, January 22, 2002 8:45 AM
> > >Subject: Re: www.hostmaster.gr & masquarade
> > >
> > >
> > > > Me ton internet explorer mpainei kanonika sto http://www.hostmaster.gr
> > >alla
> > > > me 'tracert' kai 'ping' bgazei ta idia provlimata.
> > > > To mixanima linux ta blepei ola kanonika.
> > > >
> > > >
> > > > ----- Original Message -----
> > > > From: Antonis Kanouras <akanouras at yifan.net>
> > > > To: <linux-greek-users at lists.hellug.gr>
> > > > Sent: Monday, January 21, 2002 2:25 PM
> > > > Subject: Re: www.hostmaster.gr & masquarade
> > > >
> > > >
> > > > > On 2002.01.21 11:06 I.Ioannou wrote:
> > > > > > On Sun, Jan 20, 2002 at 08:12:40PM +0200, Giorgos Pallas wrote:
> > > > > > >
> > > > > > > Ama deis ston hop 7 (139.91.34.82) den yparxei dns
> > > > > > kataxwrisi.[akribws
> > > > > > > ekei pou sou kollaei ]
> > > > > > > Mipws auto ftaiei? (to pws mporei na ftaiei pantws, nten
>kserei...)
> > > > > >
> > > > > >
> > > > > > Den mou kollaei, to akribws proigoumeno hop mou apantaei 'network
> > > > > > unreachable'
> > > > > >
> > > > > > Kanas allos na to kanei confirm apo mixanima pisw apo linux me
> > > > > > masquarade ?
> > > > > > Egw to exw diapistwsei se 3 egkatastaseis mexri twra, me to
>firewall
> > > > > > na exei 2.2.x kai ipchains, kai se mia me 2.4.x me iptables
> > > > > >
> > > > > > roryt
> > > > > >
> > > > > > --
> > > > > > linux-greek-users mailing list -- http://lists.hellug.gr
> > > > > >
> > > > > >
> > > > >
> > > > >
> > > > > Window$98SE>tracert www.hostmaster.gr
> > > > >
> > > > > Ðáñáêïëïýèçóç ôçò äéáäñïìÞò ðñïò: pythia.ics.forth.gr
>[139.91.223.61]
> > > > > ìå ìÝãéóôï ðëÞèïò áíáðçäÞóåùí 30:
> > > > >
> > > > >    1     *        *        *     ÅîáíôëÞèçêå ôï ÷ñïíéêü üñéï ôçò
> > > > > áßôçóçò.
> > > > >    2    79 ms    79 ms    79 ms  tc-mac-1-1.compulink.gr
>[195.242.133.2]
> > > > >    3    85 ms    79 ms    79 ms  olympus-mac.compulink.gr
> > > > > [195.242.133.18]
> > > > >    4    96 ms   120 ms   120 ms  gw-s1-3-bb-ath.compulink.gr
> > > > > [195.242.129.69]
> > > > >    5   166 ms   169 ms     *     gw-s0-aix-ath.compulink.gr
> > > > > [195.242.129.134]
> > > > >    6   176 ms   189 ms   209 ms  grnet.aix.gr [195.130.89.1]
> > > > >    7   152 ms   139 ms   179 ms  athens-athens-2.grnet.gr
> > > > > [194.177.210.225]
> > > > >    8   187 ms   220 ms   290 ms  heraklio-athens-ATM.grnet.gr
> > > > > [194.177.209.74]
> > > > >    9     *     forth-heraklio-ATM.grnet.gr [194.177.209.162]
>áíáöïñÝò:
> > > > > Äåí åßíáé
> > > > >   äõíáôÞ ç ðñüóâáóç óôï äßêôõï ðñïïñéóìïý.
> > > > >
> > > > > Ç ðáñáêïëïýèçóç ïëïêëçñþèçêå.
> > > > >
> > > > > Window$98SE>ping www.hostmaster.gr
> > > > >
> > > > > Ãßíåôáé Ping óôï pythia.ics.forth.gr [139.91.223.61] ìå 32 bytes
> > > > > äåäïìÝíùí:
> > > > >
> > > > > ÅîáíôëÞèçêå ôï ÷ñïíéêü üñéï ôçò áßôçóçò.
> > > > > ÅîáíôëÞèçêå ôï ÷ñïíéêü üñéï ôçò áßôçóçò.
> > > > > ÁðÜíôçóç áðü: 194.177.209.162: Äåí åßíáé äõíáôÞ ç ðñüóâáóç óôï
>äßêôõï
> > > > > ðñïïñéóìïý
> > > > > .
> > > > > ÁðÜíôçóç áðü: 194.177.209.162: Äåí åßíáé äõíáôÞ ç ðñüóâáóç óôï
>äßêôõï
> > > > > ðñïïñéóìïý
> > > > > .
> > > > >
> > > > > ÓôáôéóôéêÜ óôïé÷åßá Ping ãéá: 139.91.223.61:
> > > > >      ÐáêÝôá: ÓôÜëèçêáí = 4, ÐáñáëÞöèçêáí = 2, ×Üèçêáí = 2 (50%
>loss),
> > > > > Óõíïëéêüò ÷ñüíïò óå milli-second êáôÜ ðñïóÝããéóç:
> > > > >      ÅëÜ÷éóôï = 0ms, ÌÝãéóôï =  0ms, ÌÝóïò üñïò =  0ms
> > > > >
> > > > > solist at gaia:~$ traceroute www.hostmaster.gr
> > > > > traceroute to pythia.ics.forth.gr (139.91.223.61), 30 hops max, 40
>byte
> > > > > packets
> > > > > 1  tc-mac-1-1.compulink.gr (195.242.133.2)  67 ms  69 ms  71 ms
> > > > > 2  olympus-mac.compulink.gr (195.242.133.18)  69 ms  69 ms  70 ms
> > > > > 3  gw-s1-3-bb-ath.compulink.gr (195.242.129.69)  89 ms  99 ms  80 ms
> > > > > 4  gw-s0-aix-ath.compulink.gr (195.242.129.134)  238 ms  221 ms  169
>ms
> > > > > 5  grnet.aix.gr (195.130.89.1)  129 ms  88 ms  100 ms
> > > > > 6  athens-athens-2.grnet.gr (194.177.210.225)  120 ms  160 ms  139
>ms
> > > > > 7  heraklio-athens-ATM.grnet.gr (194.177.209.74)  129 ms  158 ms
>110 ms
> > > > > 8  forth-heraklio-ATM.grnet.gr (194.177.209.162)  141 ms  169 ms
>238 ms
> > > > > 9  139.91.34.82 (139.91.34.82)  651 ms  158 ms  110 ms
> > > > > 10  pythia.ics.forth.gr (139.91.223.61)  172 ms *  200 ms
> > > > >
> > > > > solist at gaia:~$ cat /proc/sys/net/ipv4/tcp_ecn
> > > > > 0
> > > > >
> > > > >
> > > > > To 1o hop ap'to win98 mhxanaki einai to linux (Linux gaia 2.4.17 #1
>Thu
> > > > > Jan 3 20:21:59 EET 2002 i686 unknown) sto opoio mallon exo orisei
>ligo
> > > > > strict ta fw rules.
> > > > > Oi syndeseis TCP doulevoun mia xara kai ap'to win98 kai ap'to linux.
> > > > > Oi UDP mallon oxi (to nslookup me server th pythia den doulepse).
> > > > >
> > > > > Antonis Kanouras
> > > > >
> > > > > --
> > > > > linux-greek-users mailing list -- http://lists.hellug.gr
> > > > >
> > > >
> > > >
> > > > --
> > > > linux-greek-users mailing list -- http://lists.hellug.gr
> > > >
> > >
> > >--
> > >linux-greek-users mailing list -- http://lists.hellug.gr
> >
> >
> > ################################################################
> > Filippos Slavik
> > FORTHnet R&D, Heraklion, Greece
> > e-mail : fsla at forthnet.gr
> > phone : (+3) 081 391230
> > ################################################################
> >
> > "The software said 'runs on Win95 or better,' so I installed it
> > on Linux..."
> >
> >
> >
> > --
> > linux-greek-users mailing list -- http://lists.hellug.gr
> >
>
>--
>linux-greek-users mailing list -- http://lists.hellug.gr


################################################################
Filippos Slavik
FORTHnet R&D, Heraklion, Greece
e-mail : fsla at forthnet.gr
phone : (+3) 081 391230
################################################################

"The software said 'runs on Win95 or better,' so I installed it
on Linux..."





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