 鲜花( 87)  鸡蛋( 1)
|
之前发过一个帖子有关Telus, Shaw 的比较，
+ Z3 g+ S" W$ y) H u% n2 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。
6 R; j; K& u) W. J3 n+ P. ^2 X; K9 R2 m
Does Telus block any ports? 8 Q. [7 B& V/ E) B! J; g0 O
; {& |! o8 K8 a) CThe only packages with no blocked ports at this time are the Server packages. 1 e# P3 ]8 R4 A9 z! G% [/ q
) s& t0 f) S1 k# N1 a4 C p: `8 R
The Blocked ports currently are:
* e8 x& ^: ~0 `8 ~0 Q6 ~3 X; Z6 |2 i; |- ^. H( Y& E
TCP 21 (ftp)
% j0 h3 }! u. K o" \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.7 l- ]% [8 P" j
1 N( D: ~3 k ]6 M' ^, o# f) nTCP 25 (smtp)
* p( t3 L9 @6 u- V* G. w8 oCustomers 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.
/ F) x) L$ h6 X; a! ~8 D) |- [9 T% _/ ~7 _5 K0 C' K2 R1 x
TCP 80 (www)
^* W6 h# v- g8 ~2 M$ G5 uCustomers 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.# }: c d7 e# ^( ?6 z3 ~8 S
" ?: e; X3 ?3 B. kTCP 110 (pop3)% G) k) ?( R! Z% W
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.' S+ @ {) G* `; ~, L
. _" u# A9 A8 _0 x$ y: l
TCP 6667 (ircd). v4 h1 D% D0 ^, o, m) B) t2 S, {
Customers running a IRC server (Internet Relay Chat) will no longer be able to have Internet users connect to the server.
$ p8 s5 w$ L7 N1 |5 d7 [( S
* H9 A# c# N8 Z3 ? {# w7 f: qTCP/UDP 135-139 (dcom and netbios)0 x; C9 ^: Y, r* G
These ports are commonly exploited by worm viruses:
/ [! l* `. K3 [( O$ X0 M4 S" }* l/ A135 Windows RPC P$ r" o, Q4 _' r
136 PROFILE Naming System (basically unused). f/ g" d- S, o" y( i. P( x
137-139 Windows NetBios! u$ d2 G4 W$ v1 j# \/ U7 p& D
7 ]4 `% J9 L. Y7 P# n
TCP/UDP 445 (ms-ds) ?5 q0 n! g$ |+ K+ d9 N, W
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.# G$ @7 i7 C! i( ?4 d& Z
. N- W9 p6 e U, Z( B4 p6 p
TCP/UDP 1433-1434 (ms-sql)# |/ `$ _: E# V. I
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. |
|
狗仔卡
发表于 2009-11-7 17:58
提升卡
置顶卡
沉默卡
喧嚣卡
变色卡
显身卡
楼主
