Could not open connection to the host, on port 23: Connect failed

Can anyone please help with this telnet problem on CISCO 877 ADSL Router
I am trying to telnet into my ISP Router remotely using public IP which has been dynamically assigned to the router by the ISP.
I can Ping the Router and I can also go out to the internet on that router but, I can not telnet into that router from Inside the Network nor Outside the Network. There are no Firewalls involved.
I have tried to clear the config and reconfigure it again, it does not help, I have also applied same config on another CISCO 877 ADSL Router it still does not work.
ERROR i get on the Command Prompt: Could not open connection to the host, on port 23: Connect failed
I have shown some of the Show Run out put below if that helps,
ip nat inside source list 1 interface Dialer0 overload
access-list 1 permit x.x.x.x 0.0.0.7
dialer-list 1 protocol ip permit
line vty 0 4
password 7 ***********
login
Manny Thanks
Punit

Find Below the Requested Sh run outputs
ADSL-ROUTER1#sh run | beg line vty
line vty 0 4
password 7 ***********
login
scheduler max-task-time 5000
end
I have removed the IP for security reasons
ADSL-ROUTER1#sh ip route
Gateway of last resort is 0.0.0.0 to network 0.0.0.0
     x.0.0.0/8 is variably subnetted, 2 subnets, 2 masks
S       x.x.x.x/29 is directly connected, Vlan1
C       x.x.x.x/32 is directly connected, Dialer0
     x.0.0.0/32 is subnetted, 1 subnets
C       x.x.x.x is directly connected, Dialer0
S*   0.0.0.0/0 is directly connected, Dialer0
I also keep getting the message below on the console done know if this is part of the problem
Mar 13 07:17:32.213: %IP_VFR-4-FRAG_TABLE_OVERFLOW: Vlan1: the fragment table h
as reached its maximum threshold 16
Hope this output helps
Thanks

Similar Messages

Telent:could not open connection to the host on port 23 connect failed

Hi,
How to run commands of OEL5 host OS from windows XPP virtual machine(Vmware Player) on standalone desktop PC?
While runing the telnet command on windows XPP virtual machine it's gives error
Microsoft Windows XP [Version 5.1.2600]
(C) Copyright 1985-2001 Microsoft Corp.
C:\Documents and Settings\Administrator>cd\
C:\>telnet 192.168.1.2
Connecting To 192.168.1.2...Could not open connection to the host, on port 23: Connect failed
C:\>
Thanks
Regard
GSM

user9230833 wrote:
Launcher means shortcut to execute any file which is inside folder in Linux.Launcher are created on desktop to execute by one click of mouse.You need to create a command file that contains the required instructions to run putty with whatever relevant command line switches in order to start the remote program/process on Linux.
For example, you have a trusted ssh connection (no password prompting) between your Windows account and the Linux vmware account. You need to execute command line +/home/vmware/bin/vmstart myVM+ on Linux.
Your command file in Window will look something as follows:
@echo off
"c:\program files\putty\pssh.exe" vmware@my-linux-server "/home/vmware/bin/vmstart myVM"Once you've create this command file (.cmd file extention), you can create a desktop shortcut for it and assign an icon to it.
However, first test the command file via an interactive console session to ensure it works. Also, I'm not sure you can script telnet using putty - but putty's ssh does support the standard ssh command line and one can execute programs/commands on the remote server in this fashion.
Setting up trusted ssh connections is also important as passwords is a weak security mechanism. It requires a secret to be used and coded into scripts/software that needs to be authenticated.
With ssh you generate a public/private key combination, and provide the public key as unique identifier for your o/s user and platform to a remote server (e.g. Linux). This now enables your platform and o/s user to be authenticated via the privatre/public key pair when your platform establishes a connection with the server.
In putty, generate a ssh key (RSA). Copy and paste the public key into the Linux server account's "+home/vmware/.ssh/authorized_keys+" file. Make sure that the +.ssh+ directory and key have user read/write permissions only. And that's it - no password needed by your account to ssh into the Linux server account. No secrets that need to be kept secret (and that can be stolen and used from any other platform to gain access).

The TCP/IP connection to the host localhost, port 1433 has failed.

Hi, im using sql server 2000,
i have declared this in my program:
Class.forName("com.microsoft.sqlserver.jdbc.SQLServerDriver");
String url = "jdbc:sqlserver://localhost:1433;databaseName=Factura";
Connection conn = DriverManager.getConnection(url,"sa","");and is giving me this exception:
run:
Got an exception!
The TCP/IP connection to the host localhost, port 1433 has failed.
Error: "connect timed out.
Verify the connection properties,
check that an instance of SQL Server is running on the host and accepting TCP/IP connections at the port,
and that no firewall is blocking TCP connections to the port.".
com.microsoft.sqlserver.jdbc.SQLServerException: The TCP/IP connection to the host localhost, port 1433 has failed.
Error: "connect timed out. Verify the connection properties,
check that an instance of SQL Server is running on the host and accepting TCP/IP connections at the port,
and that no firewall is blocking TCP connections to the port.".
        at com.microsoft.sqlserver.jdbc.SQLServerException.makeFromDriverError(SQLServerException.java:171)
        at com.microsoft.sqlserver.jdbc.SQLServerConnection.connectHelper(SQLServerConnection.java:1033)
        at com.microsoft.sqlserver.jdbc.SQLServerConnection.login(SQLServerConnection.java:817)
        at com.microsoft.sqlserver.jdbc.SQLServerConnection.connect(SQLServerConnection.java:700)
        at com.microsoft.sqlserver.jdbc.SQLServerDriver.connect(SQLServerDriver.java:842)
        at java.sql.DriverManager.getConnection(DriverManager.java:582)
        at java.sql.DriverManager.getConnection(DriverManager.java:185)
        at factura.FacturaView.conexion(FacturaView.java:317)
        at factura.FacturaView.jTextField1KeyPressed(FacturaView.java:268)
        at factura.FacturaView.access$900(FacturaView.java:41)
        at factura.FacturaView$5.keyPressed(FacturaView.java:150)
        at java.awt.Component.processKeyEvent(Component.java:6225)
        at javax.swing.JComponent.processKeyEvent(JComponent.java:2801)
        at java.awt.Component.processEvent(Component.java:6044)
        at java.awt.Container.processEvent(Container.java:2041)
        at java.awt.Component.dispatchEventImpl(Component.java:4630)
        at java.awt.Container.dispatchEventImpl(Container.java:2099)
        at java.awt.Component.dispatchEvent(Component.java:4460)
        at java.awt.KeyboardFocusManager.redispatchEvent(KeyboardFocusManager.java:1850)
        at java.awt.DefaultKeyboardFocusManager.dispatchKeyEvent(DefaultKeyboardFocusManager.java:712)
        at java.awt.DefaultKeyboardFocusManager.preDispatchKeyEvent(DefaultKeyboardFocusManager.java:990)
        at java.awt.DefaultKeyboardFocusManager.typeAheadAssertions(DefaultKeyboardFocusManager.java:855)
        at java.awt.DefaultKeyboardFocusManager.dispatchEvent(DefaultKeyboardFocusManager.java:676)
        at java.awt.Component.dispatchEventImpl(Component.java:4502)
        at java.awt.Container.dispatchEventImpl(Container.java:2099)
        at java.awt.Window.dispatchEventImpl(Window.java:2478)
        at java.awt.Component.dispatchEvent(Component.java:4460)
        at java.awt.EventQueue.dispatchEvent(EventQueue.java:599)
        at java.awt.EventDispatchThread.pumpOneEventForFilters(EventDispatchThread.java:269)
        at java.awt.EventDispatchThread.pumpEventsForFilter(EventDispatchThread.java:184)
        at java.awt.EventDispatchThread.pumpEventsForHierarchy(EventDispatchThread.java:174)
        at java.awt.EventDispatchThread.pumpEvents(EventDispatchThread.java:169)
        at java.awt.EventDispatchThread.pumpEvents(EventDispatchThread.java:161)
        at java.awt.EventDispatchThread.run(EventDispatchThread.java:122)
BUILD SUCCESSFUL (total time: 34 seconds)how can i solve this?
thanks..
Edited by: derok on Dec 8, 2010 1:31 PM
Edited by: derok on Dec 8, 2010 9:14 PM
Edited by: derok on Dec 11, 2010 1:51 PM
Edited by: derok on Dec 11, 2010 1:52 PM

tschodt wrote:
derok wrote:
1434 did not worked eitherWhat port is your SQL Server listening on?
List of active ports:
C:\> netstat -naboOn linux I would add -l and -t to only get listening TCP ports.netstat -nabo gave me this:
Active Connections
Proto Local Address          Foreign Address        State           PID
TCP    0.0.0.0:80             0.0.0.0:0              LISTENING       2004
[httpd.exe]
TCP    0.0.0.0:135            0.0.0.0:0              LISTENING       1148
e:\windows\system32\WS2_32.dll
E:\WINDOWS\system32\RPCRT4.dll
e:\windows\system32\rpcss.dll
E:\WINDOWS\system32\svchost.exe
E:\WINDOWS\system32\ADVAPI32.dll
[svchost.exe]
TCP    0.0.0.0:443            0.0.0.0:0              LISTENING       2004
[httpd.exe]
TCP    0.0.0.0:445            0.0.0.0:0              LISTENING       4
[System]
TCP    0.0.0.0:2869           0.0.0.0:0              LISTENING       1528
E:\WINDOWS\system32\httpapi.dll
e:\windows\system32\ssdpsrv.dll
E:\WINDOWS\system32\RPCRT4.dll
[svchost.exe]
TCP    0.0.0.0:3306           0.0.0.0:0              LISTENING       2428
[mysqld.exe]
TCP    0.0.0.0:4400           0.0.0.0:0              LISTENING       2592
[nlsvc.exe]
TCP    0.0.0.0:7511           0.0.0.0:0              LISTENING       204
[raysat_3dsmax2010_32server.exe]
TCP    127.0.0.1:1028         0.0.0.0:0              LISTENING       3080
[alg.exe]
TCP    127.0.0.1:5152         0.0.0.0:0              LISTENING       188
[jqs.exe]
TCP    192.168.0.101:139      0.0.0.0:0              LISTENING       4
[System]
TCP    127.0.0.1:5152         127.0.0.1:1163         CLOSE_WAIT      188
[jqs.exe]
TCP    192.168.0.101:2869     192.168.0.1:4563       CLOSE_WAIT      4
[System]
UDP    0.0.0.0:500            *:*                                    908
[lsass.exe]
UDP    0.0.0.0:445            *:*                                    4
[System]
UDP    0.0.0.0:4500           *:*                                    908
[lsass.exe]
UDP    0.0.0.0:1434           *:*                                    3036
[sqlbrowser.exe]
UDP    127.0.0.1:123          *:*                                    1284
e:\windows\system32\WS2_32.dll
e:\windows\system32\w32time.dll
ntdll.dll
E:\WINDOWS\system32\kernel32.dll
[svchost.exe]
UDP    127.0.0.1:1135         *:*                                    3508
[iexplore.exe]
UDP    127.0.0.1:1040         *:*                                    1284
e:\windows\system32\WS2_32.dll
E:\WINDOWS\system32\WINHTTP.dll
E:\WINDOWS\system32\upnp.dll
E:\WINDOWS\system32\RPCRT4.dll
E:\WINDOWS\system32\ole32.dll
[svchost.exe]
UDP    127.0.0.1:44301        *:*                                    2880
[PnkBstrA.exe]
UDP    127.0.0.1:1900         *:*                                    1528
e:\windows\system32\WS2_32.dll
e:\windows\system32\ssdpsrv.dll
E:\WINDOWS\system32\ADVAPI32.dll
E:\WINDOWS\system32\kernel32.dll
[svchost.exe]
UDP    192.168.0.101:1900     *:*                                    1528
e:\windows\system32\WS2_32.dll
e:\windows\system32\ssdpsrv.dll
E:\WINDOWS\system32\ADVAPI32.dll
E:\WINDOWS\system32\kernel32.dll
[svchost.exe]
UDP    192.168.0.101:137      *:*                                    4
[System]
UDP    192.168.0.101:123      *:*                                    1284
e:\windows\system32\WS2_32.dll
e:\windows\system32\w32time.dll
ntdll.dll
-- unknown component(s) --
[svchost.exe]
UDP    192.168.0.101:138      *:*                                    4
[System]Edited by: derok on Dec 10, 2010 11:04 AM
Edited by: derok on Dec 10, 2010 11:11 AM

Could not open connection to the host, on port 4555: Connect failed

Hi,
I am new to apache James and javamail. I have installed the necessary things to do but i still cant run telnet localhost 4555.
What could be the cause of this?
Could there be anything I have missed?
pls help..
Thanks.: )

Find Below the Requested Sh run outputs
ADSL-ROUTER1#sh run | beg line vty
line vty 0 4
password 7 ***********
login
scheduler max-task-time 5000
end
I have removed the IP for security reasons
ADSL-ROUTER1#sh ip route
Gateway of last resort is 0.0.0.0 to network 0.0.0.0
     x.0.0.0/8 is variably subnetted, 2 subnets, 2 masks
S       x.x.x.x/29 is directly connected, Vlan1
C       x.x.x.x/32 is directly connected, Dialer0
     x.0.0.0/32 is subnetted, 1 subnets
C       x.x.x.x is directly connected, Dialer0
S*   0.0.0.0/0 is directly connected, Dialer0
I also keep getting the message below on the console done know if this is part of the problem
Mar 13 07:17:32.213: %IP_VFR-4-FRAG_TABLE_OVERFLOW: Vlan1: the fragment table h
as reached its maximum threshold 16
Hope this output helps
Thanks

TS1398 my problem is my iphone 4s is connected to the internet(wi-fi) with full signal strength but freezes when browsing and says "Cannot Open Page, Safari could not open page because the server stopped responding".

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I already reset the iphone to its factory settings and erase all contents but still the browsing speed freezes or not searching at all. Sometimes it will work and fast but then the problem uccors every now and then. Iv'e been using iphone 4 for two years and I still have it and works fine compared to this IPHONE 4S.

Settings → scroll down to Safari → in Safari settings, I selected both Clear History and Clear Cookies and Data.
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Reset the network settings - you will need to add the password of your home WiFi in your phone once more
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Safari could not open page because the server stopped responding

"Could Not Open Page.... Safari could not open page because the server stopped responding"
....but it could worked just fine for the first 2 weeks of iPhone4 ownership.
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Tried at work on another wireless network - same response.
Have gone through all the FAQs, reset network settings, forgotten network etc - still nothing.
Anyone experienced the same and fixed it?
cheers

I'm having a very similar problem, but it's with my 3G connection, not with wifi. The display tells me there is 3G connectivity, and I get the loading symbol, but pages stop loading a few seconds after I try to open them, and some time later I get the "server stopped responding" message. That happens with addresses I know are working, such as Google. Some times, restarting the iPhone or the internet connection (by switching plane mode on and off) solves the issue, but it has been happening often these days.

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I FOLLOWED EVERYTHING YOU SAID, AND IT WORKED LIKE A CHARM
YOU ARE TRULY A PROFESSIONAL AND A SCOLAR!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
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pop-http://mail.google.com/support/bin/answer.py?answer=13275&topic=12810
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Could not open error log file ''. Operating system error = 5(failed to retrieve text for this error. Reason: 15105).

Hello
When I try to start the SQl server service i get the following error:
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As a test I have made sure the errorlog file ,and the entire drive it is, has everyone full control permissions, but to no avail. Does anyone have any ideas to resolve this issue?
Thank you

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Please click "Propose As Answer" if a post solves your problem, or "Vote As Helpful" if a post has been useful to you

GRE tunnel could not be used by the hosts connected to the router

Hi,
I am using cisco ASR1013 (RP2) and a Mikrotik Router for setting up a GRE tunnel for LAN to LAN routing over a broadband link. The tunnel works fine (able to ping tunnel end points and also all the connected interfaces on both the Mikrotik and Cisco ASR) but the hosts that are connected directly to the Cisco router interface over a layer 2 cisco switch are unable to connect (ping) the hosts or connected interfaces on the mikrotik side. I am sure its not a mikrotik issue as i dont see any traffic coming through the tunnel using the mikrotik torch utility. There are no ACL's or firewall rules on any of the devices......
Source and destination of the tunnel are public IP's and are pingable via internet (The tunnel is connected and endpoints are pingable)
Mikrotik connected interface IP = 192.168.253.1/24
Mikrotik tunnel end point IP = 192.168.254.1/30
Cisco tunnel end point IP = 192.168.254.2/30
Connected cisco subnet to reach Mikrotik = M.N.O.32/28
Cisco interface IP for LAN = M.N.O.33
Test host IP on the LAN subnet = M.N.O.34
The below is my Cisco config
ASR-1#sh run int tun 1
Building configuration...
Current configuration : 144 bytes
interface Tunnel1
ip address 192.168.254.2 255.255.255.252
ip mtu 1400
tunnel source A.B.C.D
tunnel destination W.X.Y.Z
end
ASR-1#sh run int g0/1/7
Building configuration...
Current configuration : 280 bytes
interface GigabitEthernet0/1/7
description LAN
ip address M.N.O.33 255.255.255.240
ip verify unicast source reachable-via rx
no negotiation auto
cdp enable
end
ASR-1#sh ip ro 192.168.253.1
Routing entry for 192.168.253.0/24
Known via "static", distance 1, metric 0 (connected)
Routing Descriptor Blocks:
* directly connected, via Tunnel1
Route metric is 0, traffic share count is 1
ASR-1#ping 192.168.253.1 so M.N.O.33
Type escape sequence to abort.
Sending 5, 100-byte ICMP Echos to 192.168.253.1, timeout is 2 seconds:
Packet sent with a source address of M.N.O.33
Success rate is 100 percent (5/5), round-trip min/avg/max = 5/5/6 ms
ASR-1#pi M.N.O.34
Type escape sequence to abort.
Sending 5, 100-byte ICMP Echos to M.N.O.34, timeout is 2 seconds:
Success rate is 100 percent (5/5), round-trip min/avg/max = 1/1/1 ms
If i try to ping 192.168.253.1 (network connected to Mikrotik) from the host M.N.O.34 (the gateway of this host is M.N.O.33 - Int g0/1/7 of the Cisco ASR), i cannot reach detination - request timed out.... Below are the results of trace and ping from the host connected to ASR G1/0/7
PING TO THE GATEWAY *********
[root@localhost ~]# ping M.N.O.33
PING M.N.O.33 (M.N.O.33) 56(84) bytes of data.
64 bytes from M.N.O.33: icmp_seq=1 ttl=255 time=0.161 ms
64 bytes from M.N.O.33: icmp_seq=2 ttl=255 time=0.143 ms
^C
--- M.N.O.33 ping statistics ---
2 packets transmitted, 2 received, 0% packet loss, time 1357ms
rtt min/avg/max/mdev = 0.143/0.152/0.161/0.009 ms
PING TO THE TUNNEL END POINT IN CISCO ASR
[root@localhost ~]# ping 192.168.254.2
PING 192.168.254.2 (192.168.254.2) 56(84) bytes of data.
64 bytes from 192.168.254.2: icmp_seq=1 ttl=255 time=0.141 ms
64 bytes from 192.168.254.2: icmp_seq=2 ttl=255 time=0.141 ms
^C
--- 192.168.254.2 ping statistics ---
2 packets transmitted, 2 received, 0% packet loss, time 1739ms
rtt min/avg/max/mdev = 0.141/0.141/0.141/0.000 ms
PING TO THE TUNNEL ENDPOINT IN MIKROTIK
[root@localhost ~]# ping 192.168.254.1
PING 192.168.254.1 (192.168.254.1) 56(84) bytes of data.
^C
--- 192.168.254.1 ping statistics ---
11 packets transmitted, 0 received, 100% packet loss, time 10413ms
PING TO THE CONNECTED INTERFACE ON MIKROTIK
[root@localhost ~]# ping 192.168.253.1
PING 192.168.253.1 (192.168.253.1) 56(84) bytes of data.
^C
--- 192.168.253.1 ping statistics ---
4 packets transmitted, 0 received, 100% packet loss, time 3641ms
TRACE TO THE CONNECTED INTERFACE ON MIKROTIK
[root@localhost ~]# traceroute 192.168.253.1
traceroute to 192.168.253.1 (192.168.253.1), 30 hops max, 60 byte packets
1 M.N.O.33 (M.N.O.33) 0.180 ms 0.156 ms 0.145 ms
2 * * *
3 * * *
4 * * *
5 * * *
Please help

Hi,
Sorry for the delayed response ....Both ends static routes are added for the connected test interfaces.....
Regards,
Mahesh

I keep getting server or network errors "safari could not open page because the server stopped responding"

i get frequent error messages such as "Safari could not open because the server stopped responding"

I've been getting lots of error messages lately. The one you described is the most recent
I've also received
Safari cannot open the page.
The error was: "A data connection is not currently allowed.".
and
Safari cannot open the page because it could not load any data.
I'm not connected to Wifi and have full service LTE. I have received the last error message described while connected to WiFi as well. iPhone 6 - 8.1.3

I get an Error 1402 Could not open key: and the update fails. How do I fix this problem. Please Help

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You could try using the Windows Installer Cleanup Utility to remove all traces of any existing versions of Reader prior to installing the version you want and updating it as required. This utility is no longer supported by Microsoft because it can conflict with Win 7, but you can still find it in sites like http://majorgeeks.com/download.php?det=4459

ITunes cannont backup the iPhones because a session could not be started with the iPhone" I've never connected my phone to any other computer and it worked fine a the other day. Help Please?

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PLEASE HELP!!

One of your backup files might be corrupt. Try following the steps in this article to correct the issue: http://support.apple.com/kb/ts2529

Could not open connection to the host on port 25 exchange 2010

We have exchange hosted in the company with the public IP from our ISP, now we are facing the bounce back emails from some domains
Could not be delivered because of
Server refused mail at END OF DATA - 554 5.7.1 The message from (with the subject of (RE: Schon Properties - Final Discounted Offer - Golden System.)
matches a profile the Internet community may consider spam. Please revise your message before resending.
only few domains bounce back the emails.
aslo i cannot telnet our mail server.
so what could be the issue.
please help someone to solve this issue.
Fuad

Looks like some domains you are sending to have implemented spam filters and they consider your email content to be spam. You'll need to contact them and have them set up any whitelists for your domain as needed.
http://www.faq.nuvotera.com/error%E2%80%845-7-1-the-message-from-with-the-subject-of%E2%80%84-matches-a-profile-the-internet/
As far as telnet goes make sure you are using port 25 and your static IP. Firewalls sometimes block this internally.
-- Al

Could not open connection to the host, on port 23: Connect failed

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