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之前发过一个帖子有关Telus, Shaw 的比较,
+ y; m f3 d/ j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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6 ?3 a6 I, h9 k1 ?. H b3 {! E3 pTCP 21 (ftp)" E0 x7 B. E: c8 g
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.: k- S7 K' U: m
0 C: x' G. h" O+ b) [, a {5 NTCP 25 (smtp)! Y6 B; q2 x" }1 @% {
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.' m1 z* M1 u! N7 `& t1 g, f
% u" f3 N) U# ITCP 80 (www)
6 C; {0 m: L6 q' |. K' |9 eCustomers 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.
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$ z( j% l: r" L9 J K" rTCP 110 (pop3)
3 b8 Q2 l6 Q( `! S. ~. ?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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4 D) u) g# g6 S9 \9 I5 rTCP 6667 (ircd)7 S/ A6 ~; c0 s4 ^6 ], f% o
Customers running a IRC server (Internet Relay Chat) will no longer be able to have Internet users connect to the server.' x; o' T% ~; {! D T
1 R! x8 V' z h' e& ~TCP/UDP 135-139 (dcom and netbios)( ^) K9 G7 I0 @- q1 _5 @- g
These ports are commonly exploited by worm viruses:( ~9 }# I2 t5 p6 `: Z
135 Windows RPC
K* c5 z6 ~, O6 r136 PROFILE Naming System (basically unused)
: H2 A, R$ _" `) `% K137-139 Windows NetBios0 F+ p0 W) O/ O8 |
3 |4 ^% t" ~2 ^6 ^+ U: `TCP/UDP 445 (ms-ds)
' l, U# a# T L3 H JMicrosoft 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.5 W, q9 g3 e* Z! n) b3 q# \! K( Y/ M
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TCP/UDP 1433-1434 (ms-sql)
# }# U: Z( N# P! IMicrosoft 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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