Friday — November 7th, 2008

GAH BALLS TO MY ISP

So, a few days ago I pulled some old computer up from my basement and installed Linux on if with a LAMP stack along with Squid anonymous proxy server pack. Now I noticed a few things suck a me not being able to connect from an External address… I thought it was a port forwarding error, so I checked, nope.

I went to my good friend Google and he told me that some ISPs block port 80 along with a few other ports… To confirm this I sent my ISP an e-mail. They responding confirming the blockage and told me it was to prevent spam and viruses and said I could upgrade my account to a “server account” for a nominal fee. I then told them I wanted none of their server package bullshit and inquired about their port 8000 and 8080 allocation.

Here is a list of blocked ports and a reason for each they sent me

Quote:
Blocked Ports

The following ports will have inbound (ingress) and in some cases outbound traffic blocked.

TCP 21 (ftp)

Customers running an FTP server will no longer be able to have Internet users connect to their server.
Many customers computers are used as FTP servers to store illegal files.
TCP 25 (smtp)

Customers running a SMTP mail server will no longer be able to receive e-mail requests, nor will it allow outbound traffic for mail servers external to the TELUS.NET, TELUS IDCs and Hostopia networks on port 25.
This prevents mail servers that operate as an open relay. Open relays are used without a customer?s knowledge to send millions of pieces of Spam.
TCP 80 (www)

Customers running a Web server will no longer be able to have Internet users connect to their server.
Common exploit on old Window IIS server and Linux boxes that are not properly patched.
TCP 110 (pop3)

Customers running a POP mail server will no longer be able to have Internet users connect to the server.
Prevent mail servers that operate as an open relay. Open relays are used without a customer?s knowledge to send millions of pieces of Spam.
TCP 6667 (ircd)

Customers running an IRC server (Internet Relay Chat) will no longer be able to have Internet users connect to the server.
TCP/UDP 135-139 (dcom and netbios)

These ports are commonly exploited by worm viruses.
135 Windows RPC
136 PROFILE Naming System (basically unused)
137-139 Windows NetBios
TCP/UDP 443 (ssl)

Customers will not be able to accept inbound ssl connections on this port.
TCP/UDP 445 (ms-ds)

Microsoft Directory Services ? Customers that allow legitimate Internet users access to their computers will lose this ability.
This allows hackers to directly connect to a Windows based computer and gain total control over the OS.
TCP/UDP 1433-1434 (ms-sql)

Microsoft SQL server ? Customers running an SQL server will no longer be able to have Internet users connect to their server.
There are several worm viruses that exploit holes in SQL server.

Anyone else find this all bullshit so they can sell a “Server Package” and rape my wallet?

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