Re: lug-bg: Security Win2000 Terminal Client over internet

[teodor@xxxxxxxxxxxxx (Teodor Georgiev)]

http://sites.inka.de/sites/bigred/devel/tcp-tcp.html

----- Original Message -----
From: "George Danchev" <danchev@xxxxxxxxx>
To: <lug-bg@xxxxxxxxxxxxxxxxxx>
Sent: Thursday, January 23, 2003 1:47 PM
Subject: Re: lug-bg: Security Win2000 Terminal Client over internet

> On 23 01 2003 12:01, Ïåòúð Ìàðêîâ wrote:
>
> >  "Êàê äà ñè îðãàíèçèðàì ñèãóðíà êîìóíèêàöèÿ ÷ðåç Ëèíóêñ
> >  ìàðøðóòèçàòîðè/ðóòåðè?"
>
> Îê,
> åòî ïàê (íàäÿâàì ñå ïî-ÿñíî;). Íàïðèìåð SQL ñåñèÿ ñ PostgreSQL ïðåç SSH
òóíåë.
>
> localhost - 1.1.1.1 (client)
> --------------------------------
> psql, ssh1, sshd.
> ( L1 ) -L 5432 : 2.2.2.2 : 2345
> ( R1 ) -R 2345 : 1.1.1.1 : 5432
>
> remotehost - 2.2.2.2 (server)
> -----------------------------------
> PostgreSQL, ssh2, sshd
> ( L2 ) -L 5432 : 1.1.1.1 : 2345
> ( R2 ) -R 2345 : 2.2.2.2 : 5432
>
> Íà 1.1.1.1 ñå èíèöèèðà ëîêàëíà êîíåêöèÿ êúì ïîðò 5432,
> (psql -p 5432 -h 1.1.1.1) êîÿòî
> ssh1 ïðèõâàùà è forward-âà (ïî secure channel)
> êúì ïîðò 2345 íà õîñò 2.2.2.2 ( L1 ). Òàì
> ssh2 ìó å êàçàíî äà ñëóøà îòäàëå÷åíèÿ ïîðò 2345 íà õîñò 1.1.1.1
> ïðèõâàùà è ãî forward-âà êúì ëîêàëíèÿ ñè ïîðò 5432 (R2).
> Òàì ñëóøà PostgreSQL è îòãîâàðÿ ëîêàëíî íà ïîðò 5432 íà õîñò 2.2.2.2,
êîÿòî
> ssh2 forward-âà êúì îòäàëå÷åíèÿ ïîðò 2345 íà 1.1.1.1 ( L2). Òàì
> ssh1 ñëóøà è forward-âà êúì ëîêàëíèÿ ñè 5432 ( R! ). Ïî-íàòàòúê ïîçíàé ;-)
>
> (Äàëè îáúðêàõ ìíîãî íåùàòà). Îñòàâà äà ñå ïðî÷åòå man ssh íàïðèìåð.
>
> --
> Greets,
> fr33zb1
>
>
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