[GTER] RES: Problemas com a Oi

Eduardo Schoedler eschoedler at viavale.com.br
Thu Nov 5 00:59:55 -02 2009

Marlon Vinicius Resende escreveu:
> Boa noite, alguem na lista estah conseguindo acessar o site da Oi?

Estou recebendo esse prefixo via PTT-RS e está funcionando normalmente.
Existe um firewall bloqueando icmp/udp.


Nmap com ICMP:

# nmap -v -PE

Starting Nmap 5.00 ( http://nmap.org ) at 2009-11-05 00:58 BRST
Initiating Ping Scan at 00:58
Scanning [1 port]
Completed Ping Scan at 00:58, 2.01s elapsed (1 total hosts)
Read data files from: /usr/share/nmap
Note: Host seems down. If it is really up, but blocking our ping probes, try
Nmap done: 1 IP address (0 hosts up) scanned in 2.27 seconds
           Raw packets sent: 2 (56B) | Rcvd: 2 (152B)

Nmap normal:

# nmap -v -PN

Starting Nmap 5.00 ( http://nmap.org ) at 2009-11-05 00:57 BRST
Initiating Parallel DNS resolution of 1 host. at 00:57
Completed Parallel DNS resolution of 1 host. at 00:57, 0.00s elapsed
Initiating SYN Stealth Scan at 00:57
Scanning [1000 ports]
Discovered open port 80/tcp on
Completed SYN Stealth Scan at 00:57, 5.69s elapsed (1000 total ports)
Host is up (0.0041s latency).
Interesting ports on
Not shown: 988 filtered ports
80/tcp   open   http        <===========
443/tcp  closed https
3128/tcp closed squid-http
7001/tcp closed afs3-callback
8000/tcp closed http-alt
8001/tcp closed unknown
8080/tcp closed http-proxy
8081/tcp closed blackice-icecap
8100/tcp closed unknown
8200/tcp closed unknown
8888/tcp closed sun-answerbook
9080/tcp closed unknown

Eduardo Schoedler

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