Now, regarding the 127.x.x.x addresses and using the above example with a little change: And this behavior, using "localhost", is a "normal" behaviour. If I open a browser, I get the connection error stated in my post.īut if I open the url : I get the page I want to open. Putty connection to a 10.0.0.10 server creating tunnel in port 9043Īfter this I get connected to 10.0.0.10 and the tunnel is created. Microsoft does not guarantee the accuracy of this information.ĭNS is not an issue, I believe, and putty connection is also working. Please Note: Since the web site is not hosted by Microsoft, the link may change without notice. How to resolve "localhost connection refused" error in PuTTY client? () How to Fix Network Error Connection Refused' on PuTTY. If the server administrator has changed the port for the desired service to something other than the default, users may need to contact the server administrator or review server documentation to obtain the correct port number.’ Users who connect to the Internet through a router or firewall may be able to resolve this error by verifying that the router settings do not prohibit traffic on the port PuTTY uses to establish a connection. Users who administer their own servers may be able to resolve the error by restarting stopped telnet and SSH services, opening service ports or, in extreme cases, rebooting the unavailable server. ‘In many cases, PuTTY users have little control over resolving the "Network Error: Connection refused" error. Quote from Putty Network Error: Connection Refused (), I also did some research about this network issue, and find the following, I hope this might have some help. You can use the name of your server to access it or need to tell your DNS server what the name for the IP address should be. If I use the main loopback address (127.0.0.1) I get: Hmmm… can't reach this page 127.0.0.1 refused to connect. I have checked firewall and see no reasons for this to happen! I have used these configurations before and using multiple different loopback addresses for the 127.x.x.x ranges allow multiple connection to differente hosts on the same ports ( for instance 127.1.1.1:9043 and 127.2.2.2:9043 can connect to different hosts on the same ssh connection ) If I use the main loopback address (127.0.0.1) If it's already listed as a program allowed to access the network, try removing it from the list, and adding it again. If I the use the browser to open the pagesįirewall or antivirus software may have blocked the connection.Ĭhecking firewall and antivirus configurationsĬheck your network cables, modem, and routers.Īllow Microsoft Edge to access the network in your firewall or antivirus settings. I can ping the loopback IPs locally on each respective router.I use Putty to establish ssh tunnels into target hosts assing with local loopback adresses.įor instance putty -L 127.1.2.3:9043:10.1.1.1:9043. I can ping the link local ips from each respective router to the other but I cannot ping the loopback interface IPs from the either router to the other. Sh ipv6 int brief outputs: FE80::21D:71FF:FE53:6C00 for Vlan10 interface IP Sh ipv6 int brief outputs: FE80::219:7FF:FEFE:FC00 for Vlan10 interface IP Is this not supported? Am I doing something wrong? I was hoping that I would be able to use the link local IPv6 addresses of the port channel between the routers to route the loopback address information, however, this does not seem to be working in Cisco IOS. The issue I am having now is attempting to get the loopback addresses to route between routers. In the end I essentially decided to use /128 on loopback interfaces using globally unique IPv6 space out of a /64 reserved for loopback numbering across our entire network. I have been doing some reading on IPv6 and have read a few different best practices guides and all of them seem to have conflicting information on the best way to assign loopback addresses.
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