 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,
% w+ ^" L% V9 a: A% E' F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? 6 Y+ m. ~! V! q$ T, j6 A
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The only packages with no blocked ports at this time are the Server packages. : a! s/ v. v4 Q5 {0 v1 f
" \9 C* p0 V1 j5 j1 DThe Blocked ports currently are:
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TCP 21 (ftp)" s) j& N; m% P! i6 M: }
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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$ { J9 T, `+ \5 |! I' s7 [3 w. ~TCP 25 (smtp)
1 h! v6 U+ o# l5 m. ]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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TCP 80 (www)
. b, B' C9 U1 GCustomers 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.+ z# C A% H- V; J- ?5 y* p
# N) y3 S3 H* F, } ?. rTCP 110 (pop3)
9 o# i( L: Y% s) T. N( g0 Q) I/ DCustomers 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.7 t& ?8 B U- G, `4 N4 o) c4 L1 U
5 |* \6 n, p" `, z- aTCP 6667 (ircd)
2 R# ]) f0 W$ f* g" aCustomers running a IRC server (Internet Relay Chat) will no longer be able to have Internet users connect to the server.' N" W- P$ {- ?3 k
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TCP/UDP 135-139 (dcom and netbios); y$ A! Y7 n \
These ports are commonly exploited by worm viruses:5 x' w `0 ~' v( s5 Z+ T
135 Windows RPC
3 O+ E$ t# [3 o) X, x7 Y2 C136 PROFILE Naming System (basically unused)
, _( M; Z; z1 `) G2 h2 G137-139 Windows NetBios8 ^: W4 e: S" \) _* c
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TCP/UDP 445 (ms-ds)8 x# H5 L1 ^0 i3 { y
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.4 j; `1 m/ ~9 u- M$ T5 j' f
" f. B O2 s, B" r9 F. ATCP/UDP 1433-1434 (ms-sql)
8 i3 [. i6 o$ i% K3 dMicrosoft 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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