 鲜花( 87)  鸡蛋( 1)
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之前发过一个帖子有关Telus, Shaw 的比较， ; O- y+ s+ g( t2 h" C
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。
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Does Telus block any ports?
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The only packages with no blocked ports at this time are the Server packages.
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The Blocked ports currently are:
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TCP 21 (ftp). g' [/ O, U0 w- w, B
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.
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/ a' z* U3 s [8 UTCP 25 (smtp), m( ]1 [% K6 a( z, h0 r
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.
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& h5 e T' y7 {6 c7 E, M5 T3 `TCP 80 (www); `) R. Z$ W) Z
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.% }/ @5 ^& p6 T9 U7 d! H" \( z
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TCP 110 (pop3)* s6 j: v0 m* e
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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; P" |; M' K% I/ g, R: rTCP 6667 (ircd)8 u* L8 P# F4 h, Y" d# _* @! C- X
Customers running a IRC server (Internet Relay Chat) will no longer be able to have Internet users connect to the server.. R% J% {# N1 H$ s+ V
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TCP/UDP 135-139 (dcom and netbios)
' c3 h/ j+ J& |* UThese ports are commonly exploited by worm viruses:& b" C% f0 C6 I) i' O: `0 _
135 Windows RPC8 Z/ U+ @) M5 Q4 }
136 PROFILE Naming System (basically unused)' m" U# c, m, V
137-139 Windows NetBios% x$ E& z Q4 W
" ^$ F) ^4 Q# c8 yTCP/UDP 445 (ms-ds)3 B3 T7 v: B K- t
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.
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TCP/UDP 1433-1434 (ms-sql)
2 e2 H) M" \, q* p" |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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