Luiz, Gostaria de saber se estou realmente barrando as portas abaixo (execeto a 443) e o que mais eu poderia instalar no firewall para ajudar na seguran�a. (ex: Um SNORT, PORTSENTRY(IDS) ou qualquer outra coisa).
Alan Lopes ----- Original Message ----- From: "FreeBSD" <[EMAIL PROTECTED]> To: "Grupo Brasileiro de Usuarios FreeBSD" <[EMAIL PROTECTED]> Sent: Saturday, July 12, 2003 3:09 AM Subject: [FUGSPBR] OFF-TOPIC - NMAP eoutros > Galera, > > Instalei um firewall e depois passei o NMAP de uma rede externa o mesmo me > retornou o log abaixo, alguem podem me explicar o que esta acontecendo. > ============================================================================ > ================ > Starting nmap V. 3.00 ( www.insecure.org/nmap ) > Interesting ports on xxxx.xxxxx.com.br (XXX.XXX.XXX.XXX): > (The 1593 ports scanned but not shown below are in state: filtered) > Port State Service > 20/tcp closed ftp-data > 21/tcp closed ftp > 22/tcp closed ssh > 25/tcp closed smtp > 110/tcp closed pop-3 > 443/tcp open https > 2301/tcp closed compaqdiag > 5999/tcp closed ncd-conf > No exact OS matches for host (If you know what OS is running on it, see > http://www.insecure.org/cgi-bin/nmap-submit.cgi). > TCP/IP fingerprint: > SInfo(V=3.00%P=i686-pc-windows-windows%D=7/11%Time=3F0E340C%O=443%C=20) > TSeq(Class=TR%IPID=I%TS=100HZ) > T1(Resp=Y%DF=Y%W=E000%ACK=S++%Flags=AS%Ops=MNWNNT) > T2(Resp=N) > T3(Resp=Y%DF=Y%W=E000%ACK=S++%Flags=AS%Ops=MNWNNT) > T4(Resp=Y%DF=N%W=0%ACK=O%Flags=R%Ops=) > T5(Resp=Y%DF=N%W=0%ACK=S++%Flags=AR%Ops=) > T6(Resp=Y%DF > =N%W=0%ACK=O%Flags=R%Ops=) > T7(Resp=Y%DF=N%W=0%ACK=S%Flags=AR%Ops=) > PU(Resp=N) > Uptime 2.387 days (since Tue Jul 08 15:32:36 2003) > Nmap run completed -- 1 IP address (1 host up) scanned in 367 seconds > ============================================================================ > ================ > > O que vcs recomenda a mais para melhorar a seguran�a da minha rede? ex: > snort , porsentry, etc > > Att, > > Alan Lopes > > _______________________________________________________________ > Sair da Lista: http://www2.fugspbr.org/mailman/listinfo/fugspbr > Historico: http://www4.fugspbr.org/lista/html/FUG-BR/ > _______________________________________________________________ Sair da Lista: http://www2.fugspbr.org/mailman/listinfo/fugspbr Historico: http://www4.fugspbr.org/lista/html/FUG-BR/
