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> >>>>> I still can't send mail though, with or without |
| 2 |
> >>>>> authentication. I get this when port scanning with nmap: |
| 3 |
> >>>>> |
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> >>>>> 25/tcp filtered smtp |
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> >>>>> |
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> >>>>> Does that mean my host is blocking the smtp port? |
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> >>>> It's possible. Or, perhaps you're behind a firewall without |
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> >>>> that port open? |
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> >>> My local network firewall here? All outgoing connections on |
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> >>> this firewall are accepted. |
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> >>> |
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> >>>> Many ISPs do block 25. send me an IP if you want me to map |
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> >>>> from here. Otherwise, I'm sure if it looks closed, and you |
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> >>>> have it open on your end, it's got to be an ISP blockage. |
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> >>> When I nmap my remote server I get these filtered results: |
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> >>> |
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> >>> 25/tcp filtered smtp 130/tcp filtered cisco-fna 131/tcp |
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> >>> filtered cisco-tna 132/tcp filtered cisco-sys 133/tcp |
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> >>> filtered statsrv 134/tcp filtered ingres-net 135/tcp filtered |
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> >>> msrpc 136/tcp filtered profile 137/tcp filtered netbios-ns |
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> >>> 138/tcp filtered netbios-dgm 139/tcp filtered netbios-ssn |
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> >>> 445/tcp filtered microsoft-ds 3128/tcp filtered squid-http |
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> >>> 4444/tcp filtered krb524 6881/tcp filtered bittorent-tracker |
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> >>> 6969/tcp filtered acmsoda |
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> >>> |
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> >>> So that all must be filtered by my ISP (Cox)? |
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> <snip> |
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> > |
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> > I'm thinking I may not have explained this properly. My local ISP |
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> > is Cox and I get the above list of filtered ports when port |
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> > scanning my remote machine which is hosted halfway across the |
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> > country. Cox can't prevent me from scanning the SMTP port on my |
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> > remote machine right? My host must be filtering the ports? |
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> > |
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> > - Grant |
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> Can you please ssh to your box and run an nmap from your box |
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> (locally)? This will answer if smtp and imap are running and if they |
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> are being filtered by your isp. I'm not sure if someone mentioned |
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> before but imap might not be configured to listen on anything besides |
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> 127.0.0.1. I wouldn't be surprised if Cox filters 25, but nmapping |
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> locally will shed some light on it. |
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|
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I did this and nmap reports smtp is open and no ports are filtered. |
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So those filtered ports are all Cox-filtered I guess. |
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|
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- Grant |
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|
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|
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> Thanks! |
| 50 |
> Eric |
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-- |
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