 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， 1 x$ R7 W+ S! @8 ?4 Q% d8 ]& E
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。: K( I9 Z" J5 W4 f# R
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Does Telus block any ports?
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3 _; g( G( \: H& [8 ? ]: ]The only packages with no blocked ports at this time are the Server packages.
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2 Y, b# F! g- o( N3 i N7 N' T9 ?The Blocked ports currently are:
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. o% @# s- N2 M0 e' @# OTCP 21 (ftp)
0 m( e6 a1 c5 e2 p+ G% g2 RCustomers 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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TCP 25 (smtp)
" {4 I/ N1 ~! HCustomers 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.8 N2 B+ m/ {2 L# r
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TCP 80 (www)
8 s: W- v' c$ G* O! Z8 |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.0 [0 ]! n7 Z# u0 x* y
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TCP 110 (pop3)
7 x7 u% v( s! iCustomers 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.) K+ b- b. L+ y/ ^' ^) s2 O9 ~
% O+ Q. V& ^$ E2 h. XTCP 6667 (ircd)4 L2 j2 }. @; _; A
Customers running a IRC server (Internet Relay Chat) will no longer be able to have Internet users connect to the server.
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. L# x7 R9 C- j$ m7 @( lTCP/UDP 135-139 (dcom and netbios)% j! x4 i- b/ D6 V3 r
These ports are commonly exploited by worm viruses:
( k$ S! |( l4 e( K135 Windows RPC% a0 k- H9 S/ w: c
136 PROFILE Naming System (basically unused)
& P) T2 U- v b137-139 Windows NetBios
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TCP/UDP 445 (ms-ds)2 t# r% O, }& M( ~
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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( C$ ^& ?# P# `9 z* l+ ITCP/UDP 1433-1434 (ms-sql)
! |& ^5 ^0 a( k4 H7 \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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