Pe mie m-ar interesa sa tai si toate iesirile catre un server de ssh .(orice port, nu neaparat 22).
----- Original Message ----- From: "Radu" <[EMAIL PROTECTED]> To: <[EMAIL PROTECTED]> Sent: Wednesday, October 15, 2003 2:29 AM Subject: [rlug] Re: ICQ & YM and firewall > Frate, nu este nici o problema. > Ideea este cum s-ar putea face totusi cu nenorocitul ala de yahoo > messenger... ca si pe mine ma streseaza treaba asta. > Si nu am nici prea multe idei... in directia asta... > Poate s-a ocupat cineva totusi... doar de blocarea lui yahoo messenger ...? > > Radu. > ----- Original Message ----- > From: "Knight" <[EMAIL PROTECTED]> > To: "Radu" <[EMAIL PROTECTED]> > Sent: Tuesday, October 14, 2003 8:23 AM > Subject: [rlug] Re: ICQ & YM and firewall > > > > Radu, > > > > cred ca mia culpa > > da de unde dracu am citit eu cu ipchains ca stiu sigur ca asa am citit > > what so ever > > sorry > > > > Wednesday, October 15, 2003, 2:05:25 AM, you wrote: > > > > R> Frate Knight, > > > > R> Ar fi bine sa stai sa te uiti cu atentie la threaduri. Sarmanul om > > R> intrebase pentru iptables. Asa, de chestie doar, uita-te in urma sa > vezi ca > > R> dai putin aiurea cu raspunsurile. Chestia cu deschisul ochilor... este > > R> foarte adevarata. Incepe chiar din primul mail.... > > R> Din ratiuni de documentare... il listez mai jos... sper sa nu te > superi > > R> pe mine, dar mi se pare ca scrie iptables. Stiu asta pentru ca am > terminat > > R> clasa I premiant... :)) > > > > R> Sa fi cuminte, > > R> Radu. > > > > > > > R> ------------------------------------------------------------------------- > -- > > R> Salut, > > > > R> Am un script de firewall, facut cu iptables, pe un gateway care > are > > R> ca politica pe chain-ul forward "DROP" si permite userilor din > > R> reteua locala sa se conecteze, in internet, doar la porturile 80, > 25, > > R> 110. > > R> Ideea mea ar fi ca lumea din reteua locala sa nu poata iesi decat > pe > > R> web si pe mail. > > R> Problema apare cand ICQ sau YM foloseste orice port pentru a > se > > R> conecta in exterior si se leaga la o multitudine de adrese. Astfel > > R> din reteua locala se poate face chat in voie. > > R> Imi poate spune cineva cum se rezolva beleua asta ? > > > > > > R> -- > > R> Multumesc anticipat, > > R> Liviu mailto:[EMAIL PROTECTED] > > > > > > R> --- > > R> Detalii despre listele noastre de mail: http://www.lug.ro/ > > > R> ------------------------------------------------------------------------ > > > > > > > > > > > > > > R> ----- Original Message ----- > > R> From: "Knight" <[EMAIL PROTECTED]> > > R> To: "Radu" <[EMAIL PROTECTED]> > > R> Sent: Tuesday, October 14, 2003 7:55 AM > > R> Subject: [rlug] Re: ICQ & YM and firewall > > > > > > >> Radu, > > >> > > >> tu ai citit macar ce am scris? > > >> omu care a postat threadul a cerut help pentru ipchains > > >> asa ca nu sari la mine > > >> chestie de alfabet pe dracu, chestie de urmarit un thread si de > > >> deschis ochii larg :)) > > >> > > >> Wednesday, October 15, 2003, 1:48:55 AM, you wrote: > > >> > > >> R> Mosule, IPTABLES. Nu ipchains. > > >> R> Chestie de alfabet. > > >> R> ----- Original Message ----- > > >> R> From: "Knight" <[EMAIL PROTECTED]> > > >> R> To: "Dekxter X." <[EMAIL PROTECTED]> > > >> R> Sent: Tuesday, October 14, 2003 7:01 AM > > >> R> Subject: [rlug] Re: ICQ & YM and firewall > > >> > > >> > > >> >> Dekxter, > > >> >> > > >> >> da dar omu a specificat ca vrea ipchains > > >> >> :((((((( > > >> >> cu -y cred ca era in ipchains :)) in loc de --syn > > >> >> > > >> >> Monday, October 13, 2003, 6:32:40 PM, you wrote: > > >> >> > > >> >> DX> va trebui sa modifici FORWARD cu: > > >> >> > > >> >> DX> iptables --policy FORWARD DROP > > >> >> > > >> >> DX> iptables -A FORWARD -d 192.168.0.0/24 -p tcp --dport 5 --jump > > R> ACCEPT > > >> >> DX> iptables -A FORWARD -d 192.168.0.0/24 -p tcp --dport 0 --jump > > R> ACCEPT > > >> >> DX> iptables -A FORWARD -d 192.168.0.0/24 -p tcp --dport 110 --jump > > R> ACCEPT > > >> >> DX> iptables -A FORWARD -d 192.168.0.0/24 -p tcp --dport 143 --jump > > R> ACCEPT > > >> >> DX> # aceste 4 reguli sunt pentru acces la orice adresa pentru > > >> >> DX> # mail prin POP3, IMAP, send shi www > > >> >> > > >> >> DX> iptables -A FORWARD -d 192.168.0.0/24 --syn --jump DROP > > >> >> DX> iptables -A FORWARD -s 192.168.0.0/24 --syn --jump DROP > > >> >> DX> # aceste 2 reguli resping orice tentativa de initiere a unei > > R> conectari > > >> >> DX> # in reteaua locala sau de la reteaua locala spre internet > > >> >> > > >> >> DX> iptables -A FORWARD -d 192.168.0.0/24 -p tcp --jump ACCEPT > > >> >> DX> # acesta regula accepta orice alt tip de conexiune tcp > > >> >> > > >> >> > > >> >> > > >> >> DX> # man iptables > > >> >> > > >> >> DX> [!] --syn > > >> >> DX> Only match TCP packets with the SYN bit set and the ACK and > > R> RST > > >> >> DX> bits cleared. Such packets are used to request TCP > connection > > >> >> DX> initiation; for example, blocking such packets coming in an > > R> interface > > >> >> DX> will prevent incoming TCP connections, but outgoing TCP > connections > > >> R> will > > >> >> DX> be unaffected. > > >> >> DX> It is equivalent to --tcp-flags SYN,RST,ACK SYN. If the "!" flag > > >> >> DX> precedes the "--syn", the sense of the option is inverted. > > >> >> > > >> >> DX> ps: daca greshesc va rog sa ma corectatzi ... > > >> >> > > >> >> DX> Liviu wrote: > > >> >> > > >> >> >> Salut, > > >> >> >> Ideea mea ar fi ca lumea din reteua locala sa nu poata iesi > > R> decat > > >> R> pe > > >> >> >> web si pe mail. > > >> >> > > >> >> > > >> >> > > >> >> -- > > >> >> Best regards, > > >> >> Knight > > >> >> > > >> >> This message was brought to you by the numbers 0 and 1. > > >> >> > > >> >> > > >> >> --- > > >> >> Detalii despre listele noastre de mail: http://www.lug.ro/ > > >> >> > > >> >> > > >> > > >> > > >> R> --- > > >> R> Detalii despre listele noastre de mail: http://www.lug.ro/ > > >> > > >> > > >> > > >> -- > > >> Best regards, > > >> Knight > > >> > > >> This message was brought to you by the numbers 0 and 1. > > >> > > >> > > >> --- > > >> Detalii despre listele noastre de mail: http://www.lug.ro/ > > >> > > >> > > > > > > R> --- > > R> Detalii despre listele noastre de mail: http://www.lug.ro/ > > > > > > > > -- > > Best regards, > > Knight > > > > This message was brought to you by the numbers 0 and 1. > > > > > > --- > > Detalii despre listele noastre de mail: http://www.lug.ro/ > > > > > > > --- > Detalii despre listele noastre de mail: http://www.lug.ro/ > --- Detalii despre listele noastre de mail: http://www.lug.ro/
