I have one telnet server address with 2 port. host, portA, portB. i try to make telnet connection using telnet app in linux to the two different port and I can log in (asked the password and user, and get the prompt) The problem is when trying to connect to telnet server portB (10012), i can't get the login and password. It look can open the connection but It fails when trying to log in the code 

$telnetSoc->open();
#passed open 

$telnetSoc->login($user,$pass);
#always stop here

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*this piece of code wants to show the sequence :D not intended to give full completely code :D i can assume no miss type code syntax* I have try to dump the message and this is the dump message this is error message for host with portA using telnet module 

< 0x00000: ff fd 18                                            ÿý.

> 0x00000: ff fc 18                                            ÿü.

< 0x00000: ff fe 18 ff  fb 01 ff fb  03 ff fc 21  ff fd 01 0d  ÿþ.ÿû.ÿ
+û.ÿü!ÿý..
< 0x00010: 0a 0d 0a 20  54 65 6c 6e  65 74 20 63  6f 6e 6e 65  ... Tel
+net conne
< 0x00020: 63 74 20 74  6f 20 43 4f  4e 53 4f 4c  45 53 45 52  ct to C
+ONSOLESER
< 0x00030: 56 45 52 20  39 30 30 30  20 73 65 72  69 61 6c 2d  VER 900
+0 serial-
< 0x00040: 34 34 20 0a  0d 00 0d 0a  0d 00                     44 ....
+...

> 0x00000: ff fd 01 ff  fd 03 ff fc  01                        ÿý.ÿý.ÿ
+ü.

< 0x00000: ff fe 01                                            ÿþ.

< 0x00000: 0d 0d 0a 50  65 72 6c 65  20 43 4f 4e  53 4f 4c 45  ...Perl
+e CONSOLE
< 0x00010: 53 45 52 56  45 52 20 39  30 30 30 20               SERVER 
+9000

< 0x00000: 0d 0d 0a 56  65 72 73 69  6f 6e 20 33  2e 32 2e 30  ...Vers
+ion 3.2.0
< 0x00010: 2e 47 0d 0d  0a                                     .G...

< 0x00000: 0d 0a 6c 6f  67 69 6e 3a  20                        ..login
+:

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this is error message for host with portB using telnet module 

< 0x00000: 53 65 6c 65  63 74 65 64  20 68 75 6e  74 20 67 72  Selecte
+d hunt gr
< 0x00010: 6f 75 70 20  62 75 73 79  0d 0a                     oup bus
+y..

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Edit: g0n - replaced pre tags with code tags

In reply to Can't connect to telnet server problems by kampret77

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