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之前发过一个帖子有关Telus, Shaw 的比较， ! d+ X3 p* s- O; Z) L0 K
家用Telus 已经封锁了不少端口。 也随时不通知下说锁就锁， 非常讨厌。3 c) I) Q% ~+ G0 e
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Does Telus block any ports?
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" L$ G8 A1 k3 O; XThe only packages with no blocked ports at this time are the Server packages.
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, ~5 a" H: o4 YThe Blocked ports currently are:2 V) g. W; ~- k0 O6 y# I
3 S, j2 _8 I, o* K: ATCP 21 (ftp)
: } z( ?5 g! hCustomers 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.' Q$ p _5 |8 j5 ?3 ]6 U. w, J1 i
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TCP 25 (smtp)' u9 y. D- t7 x y& Z+ k
Customers running a SMTP mail server will no longer be able to receive email requests. Also, Telus users will not be able to connect to non-Telus smtp servers on port 25. Prevent mail servers that operate as an open relay. Open relays are used without a customer?s knowledge to sends millions of pieces of Spam.* Q u# H" d/ K# P0 L
% ~$ Z9 q/ y G* R, k7 nTCP 80 (www)
9 Y, o. v" E+ d, ~2 rCustomers 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.- g) t0 B z; A, E7 q
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TCP 110 (pop3), n4 ]/ }3 d9 z7 D4 t: h
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 sends millions of pieces of Spam.
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TCP 6667 (ircd)
5 Z; L* U. `% \! SCustomers running a IRC server (Internet Relay Chat) will no longer be able to have Internet users connect to the server.8 L, P8 n3 ?) @+ K
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TCP/UDP 135-139 (dcom and netbios). \1 b/ t e( L3 s4 u" H$ c
These ports are commonly exploited by worm viruses:) r* P3 [" u: X3 A0 H F5 t, [5 s
135 Windows RPC
2 {; j; u2 P! J: w& M$ F136 PROFILE Naming System (basically unused)8 S( ^& _: o# ?. \8 J6 f) }/ H( a
137-139 Windows NetBios
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TCP/UDP 445 (ms-ds)8 u/ _( w9 ^9 ~
Microsoft Directory Services - Customers that allow legitimate Internet users access to their computers will loose this ability. This allows hackers to directly connect to a Windows based computer and gain total control over the OS., b2 c1 j. P$ f$ P5 i
2 \8 U; h, H- i) `( @1 m# N, @TCP/UDP 1433-1434 (ms-sql)
* t# p7 s$ u! B$ b1 [' }Microsoft SQL server - Customer running an SQL server will no long be able to have Internet user connect to their server. There are several worm viruses that exploit holes in SQL server. |
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狗仔卡
发表于 2009-11-7 17:58
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