1723 Open On Routers But Can't Telnet From Internet Address?
Feb 1, 2011
I have small business server 2003 setup as a DC and did not install exchange, i use hosted exchange. i am trying to setup vpn and have opened port 1723 on both of my router. my network routes through a wireless router(192.168.1.1) (port 1723 forwarded to .1.104) to a second wireless router (192.168.2.1) to my server with two nic cards (.2.2 - external and .2.103 - internal) (port 1723 forwarded to .2.2) i can telnet 192.168.2.2 1723, .2.103, .1.104 - my ip of my second router handed by the first router. my server in handling dhcp and it is disabled on my .2 router. I CAN NOT telnet my public ip handed to 1.1 from the ISP(my internet IP). it tries for about 30 secs and dies.
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Sep 11, 2011
We have just acquired a Cisco RV120W Firewall Router and we are experiencing issues with this router. I've read some threads related to port forward issue with RV120W before writing this new topic.
We have 2 locations (site A and site B) connected with a Site to Site VPN (PPTP) running under Windows Server 2008 R2 with TMG 2010. This Site to Site VPN worked very well until we replaced our old router with the RV120W at site B. Since this moment, our engineers are not able to make the site to site VPN work again. The TMG box are located just behind the router.
We have followed some threads about Port Forwarding but it did not solve our issue (others port forwarding rules for RDP for example work). Our RV120W is running the last stable firmware (1.0.2.6) provided by Cisco.
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Jul 25, 2011
I'm having a problem forwarding port 1723. What i'm trying to do is to use VPN to access my server pc and I don't want to use the VPN software that is in the router. When I telnet the port it goes through but when i try to access it outside of the office I can't get through. I've been using [URL] to check port 1723 and I get this:
Error: I could not see your service on XX.XX.XX.XX on port (1723)
Reason: Connection refused
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Jul 15, 2012
I'm configuring this asa for to connect home users to my network using the native microsoft vpn clients with windows xp over internet.This asa have on the outside interface one public intenet ip and in the inside inferface have configured in the the network 192.168.0.x and i want to acces to this network from internet users using native vpn clients.I tested with one pc connected directly to the outside interface and works well, but when i connect this interface to internet and tried to connect on user to the vpn i can see in the logs this, and can't connect with error 800.TCP request discarded from "public_ip_client/61648" to outside:publicip_outside_interface/1723"
(running configuration)
: Saved
:
ASA Version 8.4(3)
!
hostname ciscoasa
enable password *** encrypted
[code].....
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Dec 10, 2010
I have some issues with router configuration. I cannot open any external web pages, but ping or telnet is just fine. Im using router-on-a-stick scenario. Router connected to LAN trough EtherSwitch module. Config attached.
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Jul 16, 2011
how to telnet an computer over internet
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Dec 11, 2012
i am trying to validate an email address through telnet connection, i followed these steps How to Verify an Email Address and Find if it is Real or Fake? sadly when i try the "telnet gmail-smtp-in.l.google.com 25"
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Jan 7, 2013
We have a cisco 2911 router configured with password for telnet login, but I always failed to login use telnet, does any one know any place need to be modify?
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Dec 20, 2010
i have a user in LAN which needs access to remote PPTP server. My router uses NAT NVI for some reasons to provide internet access.
Problem is what tcp/1723 is NATed successfully and it appears what GRE traffic is NATed as well, but GRE packets are NOT passed back to user on LAN.
Config is that simple:
interface Fas4
ip address x.x.x.x x.x.x.x
ip nat enable
interface Vlan1
ip address 10.0.0.1 255.255.255.0
ip nat enable
ip access-list extended nat_clients
permit ip 10.0.0.0 0.0.0.255 any
ip nat source list nat_clients interface Fas4(code)
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Mar 14, 2011
I can telnet to switch from checkpoint firewall access port and from switch directly. I can ping/traceroute successfully to the switch. Access-lists 14 & 15 are allowing the traffic I want. The router on the other side of the FW has 2 static routes and a default static route set up.
Here is some of the config from my switch:service tcp-keepalives-in
service tcp-keepalives-out
service timestamps debug datetime msec localtime show-timezone
service timestamps log datetime msec localtime show-timezone
service password-encryptionhostname xxxxx
enable secret xxxxxx
username xxxxxxxx password xxxxxxxip domain-name xx.xx.netaaa new-model
aaa authentication login default local enable line none[code].....
Not sure of checkpoint firewall config....I have run wireshark when trying to telnet and I get no syn-ack back from remote switch. Just 3 consecutive syn attempts.I have some switches I can connect to and they go right through the 3 way TCP handshake and I cannot find any differences in the configs between the successful connections and the unsuccessful connections.
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Mar 9, 2013
I'm trying to telnet into the my RV180 router. How do I go about it.
I created 3 VLANS
1 at 192.168.1.1
20 at 192.168.20.1
30 at 192.168.30.1
Here is the Multiple VLAN Subnet Table:
1 192.168.1.1 255.255.255.0DHCP ServerEnabled 10192.168.10.1255.255.255.0DHCP Server Enabled 20 192.168.20.1 255.255.255.0 DHCP ServerEnabled
I can ping the router at all 3 IP addresses.How do I enable the telnet service on the router?
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Jun 20, 2011
I am trying to access my RV042 through telnet. I go to http://192.168.1.1/sysinfo123.htm?ConsoleSimulation=1
which enables telnet. However when I type my username and password it will not authenticate.
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Jan 14, 2013
I know this is a small business appliance I got my ccna certification with the hope of practice my CLI skills with a cisco device however I read in cisco docs the small business routers doesn´t support talnet neiter ssh I mean CLI, is thta true ?
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Jul 17, 2012
Where did I need to go on the Concentrator to disable tcp 1723 and 10000? We don't require these to be open and our pen test shows these as being open.
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Jan 25, 2012
I wish to change ARP table or any else to get a WOL functionnality.
I found how to activate telnet server, but I don't have the right login and password.
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Sep 10, 2012
I have two Windows7 machines (PC and laptop). I've set PC as VPN server and laptop as VPN client using default built-in W7 network tools. I've disabled use default gateway in remote network on client machine, so client don't try to route all communication through VPN. I've routed port 1723 (TCP/UDP) on NAT to my server and enabled IPSec/PPTP/L2TP passthrough
I've put my laptop in indepedent network (basically I've connected it via 3G network), connected to VPN server and checked ipconfig /all
I've get:
IP Address: 192.168.1.101
Mask: 255.255.255.255
Gateway: (none)
LAN mask in server LAN network is 255.255.255.0 - I am surely missing something obvious, but Google doesn't give me any good advices; How can I access local LAN network from remote VPN client? How can I access local shared documents?
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Jan 26, 2012
I have recently installed four Cisco RV042 v3 VPN routers for a customer of ours to replace existing Nortel Contivity 1010 devices which were providing VPN tunnels from the customer's 3 branches to their headoffice. The original Nortel devices were working perfectly but the customer wanted some firewall rule changes and the Nortels were proving to be somewhat inflexible and incomprehensible in their configuration hence why they were replaced.
When installing the Cisco routers I configured the VPN settings to match the Nortel device settings so that I could swap out a branch at a time without taking the whole setup down for a day.The customer has a Unix based dumb-terminal application running on a server at headoffice that they access from their branches using terminal emulators on Windows PCs and thin client hardware devices that support vt100 terminal emulation.
Prior to installing the Cisco RV042's everything was working fine. Now they are using the RV042's they keep getting the sessions from their branches dropped. Both PC users and thin client users are losing sessions and it happens with active and idle sessions. I have checked the logs on the routers when users are disconnected and there is nothing logged at that time (other than my login)... I had thought maybe it was to do with tunnel renegotioations so I have set to phase 1 / phase 2 SA timeouts to 86400 & 28800 seconds respectively but this has had no effect. I had also seen somebody advised disabling 'SPI' in the firewall... I have tried this and it makes no difference.
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Jun 18, 2012
Is it possible to telnet into the 'WRVS4400N Wireless-N Gigabit Security Router with VPN' router? When I try it says the remote system refused the connection.
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Nov 3, 2011
I am having some troubles finding information about how to configure firewall policies (rules, chains, etc.) via telnet on a RV016. The reason for that is that i keep getting some log entries "connection refused - policy violation" and "blocked" even with my firewall wide open (only allow rules on all interfaces, SPI and block wan request disabled, multicast and https enabled, etc.... ). Also, with these exact same rules, i can only connect via PPTP with the firewall disabled. The minute i tick the enable option the tunnel never gets to authentication phase. I then started reading OpenRG manual and many things are quite similar, but some other entries are missing from that manual (maybe some changes made by cisco?). I am trying to figure out some service ids, chains (e.g. the rv016 has some rules redirecting to chains 10, 100, 200 but i can not find them anywhere), and so on. I have only one rv016 and about 60 connections to it so i can not experiment that much without having the whole company on my neck with internet problems.
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Mar 21, 2013
I have the N600DB Wireless Router I am connected to the internet, but cannot open My Routers Homepage with http://router or http://192.168.2.1. How can I get to this page to reset the router settings? I also cannot connect any of my wireless devices to the network..
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Apr 5, 2012
I'm having difficulty logging onto my 1801 router over the internet I can ping the device and tracert to it but I can't telnet or SSH ,Here is the config - Can you see whay this would happen. Its on ADSL link.
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Apr 6, 2012
No ports seem to open up when they are supposed to be open according to the routers GUI.When i use "port checker"-websites, they even say that port 80 is closed until i actively open it in the router, then it shows up as open. This however only applies to port 80, no other ports shows as open OR allow any traffic through.The same thing happens when the router is in DMZ.What I have done so far is google my butt off without any results, I have tried a new router, a new network card, formated, re-installed windows and made sure that my ISP is not blocking the ports that i have tried to open.My purpose of opening a port is to run a mumble server, which I have run on a Hamachi VPN so far, and that has worked fine.
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Nov 29, 2011
How do FPS's open UDP ports without needing to configure the router to forward them?I never have to forward ports from my router to my PC. Every game i have somehow manages to open the UDP ports it needs without me having to configure my router. Yet when i check to see if those ports are open (prior to starting the programs) they always come back as blocked or closed. Now I'm currently working on a UDP Internet program and need to know how to do the same thing - open ports on a router without having to make the customer configure their routers. I'm THINKING that other programs start with a TCP/IP connection on the desired port and that opens the UDP port. Is this the answer or is there another method used?
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Jun 25, 2011
to access VOD database i must open three ports on the router - not sure how to
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Feb 22, 2011
I cannot open router settings... I had recently opened some ports on my router. However today I tried to access the settings and all it does is a web search for the gateway (192.168.1.254). The internet is working. I reset the router and it did not work. I cannot do a hard reset because I will lose all my settings for my company's settings. Also the router is a Netopia modem/router
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Dec 25, 2011
When checking my port forwarding, it says that it is not open.
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Feb 9, 2013
One of the laptops in my home connects to the wireless network provided by my brand new Belkin (N600 Dual Band) router with no difficulty at all - the other will not connect at all (it SAYS it is connected to the network, but it says that it is a 'Local Connection Only, and will not open any web browsers or allow you to get on to the internet) why is this happening and, more importantly.
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Sep 18, 2012
I am replacing a Netgear wireless router (WGR614v10) with a Cisco WRVS4400N. When I go to set up the device on my Mac, 192.168.1.1 will not open in a browser. Do I have to do the setup on a PC?
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Jan 17, 2012
I have a RV042 Dual Wan. Two internets balanced wow! who would've thought that the headaches were waiting patiently right down the corner.
I was working with a 2wire Gateway that came with my ISP. I was able to open the ports in order to have public access for my students and teachers to upload their work. All I had to do was to allow my server ip address to have access to different ports blocked by the ISP. I used [URL]
I bought the RV042 for various reasons like excellent content blocking, load balancing, quick vpn, among other. But I just can't open the port 80 while having having my two ISP connected with load balancing, not even while having only one modem connected.
I have resolved many issues using the protocol binding. I have tried everthing. I just don't undertand something.
Whenever I connect my server to my old router, "www.canyouseeme.org" tells me that my port 80 is open. Whenever I connect my servet to the RV042-DW, my port appears closed.
So it's not any OS issues.
I've tried:
- To forward the TCP 80~80 port to my server static ip address... but failed
- To enable UPnP function with the same port... but failed
- To configure the port triggering with the same port.. but failed.
- To disable the firewall.. but failed.
- To use transparent bridge in the WAN1 with my 2wire Gateway... but failed
- To set up an account in DNS.ORG already had one, everythings is in green.. but failed.
- To change the configuration in my old 2Wire Gateway router to allow a DMZ zone so all ports are public... but failed.
- To assign RV042 router ip address in my old 2Wire allowing that specific address to allow certain ports to be public... but failed.
I have the Firmware v4.0.4.02 from DEC/11
[URL]
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Dec 12, 2011
I have been trying for about a week to get open nat on my three xbox 360's I have in my home. Things came to a head last week when the gaming group and I tried to play over xbox live, but our games kept disconnecting. When I checked my network, none of my xboxes had open nat.
I had only one public ip at the time we had the trouble, but now I have 5 public ip's from comcast. Currently, I only have one of them setup with my router working as normal.
On that router, I have given the two xboxes static ips:
10.141.167.50
10.141.167.51
One of the xboxes is setup with port forwarding with the following ports:
3074 UDP/TCP
88 TCP
80 TCP
53 UDP/TCP
the other xbox is setup as a dmz host. The xbox that is setup with port forwarding gets open nat, but the other one, despite being the dmz host, does not get open nat.
The router is setup as follows:
10.141.167.1 - router ip
10.141.167.2-149 - dhcp server range
255.255.255.0 - subnet mask
My dns servers are from open dns. I have only one wan connection coming into the router also. That is through comcast business class. The connection is a 30/5mbps connection. One last thing, I have the latest firmware on the router as well. I updated it last thursday evening 12/8/2011.
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Jan 30, 2012
I'm using a WRVS4400N and have all the proper ports open as well as the corresponding ones in the windows firewall. I've tested this with multiple port checkers online, such as grc.com. I've even go so far as to put one computer on a dmz and turn off the firewall on others. I've tested multiple ports on different computers. As well as from different remote gateways (other people's computers) just to see if it was a loopback problem.
I have the latest firmware installed and have done this from a clean install as well. This problem won't go away. My addy is nbcr [dot] dyndns.info if you'd like to have a test yourself and see that 118 is indeed closed.
I have an extensive computer repair background and run my own shop repairing computers, however networking is my weak area. Oh and its version 2.
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Mar 31, 2012
I just bought and setup a RV110W. I noticed while scanning it from the WAN side that it always has port 443 open, even when remote management and VPN access are disabled. Why is this port still open, and how do I close it? Or is this a bug in the firmware? I am using firmware version 1.1.0.9, which is the most up-to-date for this unit. Having open ports allowing unsolicited contact from the WAN side, especially inadvertant ones, is a major security hole.
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Aug 16, 2012
how to open the tp-link interface setup for my TD-W896ON? i have a user and a password but where do i add them ??
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