1337 - Mac OS X Mountain Lion Can't Ping / Telnet Localhost
Jan 25, 2013
I've been developing Node.js apps on my localhost on port 1337 for last two years with no problem as shown below.
$ node app
App started on port 1337
Today I wanted to test how things go with default port 80, so I did:
$ sudo node app
App started on port 80
But after that my network went crazy. Now I can't access any local address including localhost. When I ping to localhost it points to some weird public IP address (218.38.137.125) instead of 127.0.0.1.
[code]....
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Nov 20, 2012
I am currently have a Cisco 881 router running EasyVPN server. I recently created come IPSec rules that allow trafiic to specific IP's for a specific security group:
access-list 105 permit ip host 10.1.0.5 any
access-list 105 permit ip host 10.1.0.15 any
access-list 105 permit ip host 10.1.0.16 any
access-list 105 permit ip host 10.1.0.32 any
This works as expected with our Windows users, however our Mac users (using native VPN Client) can only reach the FIRST ip in the string of access statements. When I was torubleshooting this, I moved .32 as the first statement and I could only reach it and none of the others.
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Feb 20, 2012
Running an E4200 with Mac OS X Mountain Lion?
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Aug 3, 2012
The latest Mountain Lion (OSX 10.8) update somehow broke the Cisco VUSB software. I downloaded and installed Mountain Lion yesterday, and now the VUSB software is not working correctly. When I try to connect to my printer, an error appears saying the connection failed, but the dashboard shows it's connected. When I try to print, the printer is shown as unavailable. I have Cisco VUSB version 1.0.0 for OSX and the EA3500 Router.
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Jul 25, 2012
I have a repating 2901 router failure when people attempt to download Apple Mac OS X Moutnain Lion upgrade from App Store.
The 2901 just hangs following getting a series of ZBFW packet drop failures:
001928: Jul 26 22:37:18.783 UTC: %APPFW-4-HTTP_PROTOCOL_VIOLATION: HTTP protocol violation (0) detected - session 192.168.223.109:49310 184.25.254.67:80 on zone-pair ZP-PRIVATE-OUT class ccp-protocol-http appl-class ccp-http-blockparam
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Dec 8, 2009
I got 2 x 5520 ASAs configured in active/standby mode and they are connected to 2 x 4500 switches in which too configured for failover.Telnet to ASAs is allowed only via subnet 172.18.0.0./24
I can only ping and telnet to the active ASA from subnet 172.18.0.0./24 but not the standby But i can ping and telnet to both the active and standby ASAs within the 4500 switches.
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Sep 4, 2012
I have a Cisco 2960-S Switch, It is connected to a jack in the building to check the settings, Interface VLAN 1 has an ip, there is a default gateway, Any host connected to switch can access the network resources. But the problem is that I have to use Serial Cable to configure it. I cant ping or telnet into it from any other device. PC's are on different subnets/VLANS.
Basically this switch is connected to a port in a different switch, Do i have to make a trunk?
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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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Sep 17, 2012
I have 2 switches. 2960 and 3750. I have trunk on both ports of the switch. there are couple of vlans and ports are assigned to those vlans. examples are management, voice and data. int vlan 1 has ip there is default gateway the hosts are able to connect to the internet when connected to the switch.
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Apr 10, 2013
i've created an application with NodeJS and I'd like to test the application on my LAN with my family. The application listens on port 1337 for connections and I can access the application fine through my own PC by typing localhost:1337, 192.168.0.3:1337 or even http://joel-pc:1337/ into my browser's address bar.
I will be also be running apache alongside NodeJS, and I can access this fine by typing 192.168.0.3 or http://joel-pc/ into a browser's address bar as long as it's connected to the same network.Now here's the weird part; If I stop the apache service, change my node application to listen on port 80 (http) insted of 1337, it will be accessible on my pc by typing localhost, 192.168.0.3 or even http://joel-pc into my browser's address bar. However, I still can't access NodeJS on any other PC on my network apart from my own.
I've tried creating an outbound rule within Windows 7 to allow access to port 1337, but I still can't get access to my NodeJS server on any other PC than my own, even if it's listening on port 80.
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Apr 10, 2012
We got a switch issue here for 4507R-E with two sup6l-e supervisor running sso redudant. and we found that sometimes client can't ping through the local vlan ip add on the switch , can't logon the cli by telnet too. In the direct connected network device such as access switch and ASA , can't ping or telnet the 4507R too. when we made a forceswitch to sso standby supervisor from console , the problem solve and everything get fine . after that, we switch angin back to the origin supervisor , fine too.
before we made the supervisor forceswitch , we had check the system cpu usage is 15 - 20 % from console . also we had creat a new vlan 200, attach the notebook to 4507's vlan 200 port , the notebook can't ping or telnet the vlan 200 ip interface too.
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Feb 7, 2012
The network is set up like this.
Host -----> 3750 (classic) running IPSERVICES stack ----> 3550 router -----> VPN 3005 Concentrator.
IP routing is disabled on the 3750 (it's acting solely as a switch) IP routing is enabled with an EIGRP process running on the 3550 router that has the network for the 3005 broadcasting.
I can ping the vpn 3005 concentrator from a telnet session in the 3550 but not from the 3750.I can ping between the 3750 and the 3550 vlan management interfaces. Visually speaking it's like this
3750 ------> 3550 [Success!!!!]
3550 ------> VPN 3005 Concentrator [Success!!!!]
3750 ------> 3550 --xxxx--> VPN 3005 Concentrator [Timeout....]
I know this because I tracerout to the 3005 from the 3750 and it resolved the default gateway configured for the 3550 properly but then started timing out.
The 3750 is trunked to the 3550.
3750 is vtp client mode
3550 is vtp server mode
I'm wondering if there's a layer 2 issue involved here as it is a VTP domain and maybe it's not returning properly.
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Jun 23, 2012
When I start a web browser based application with a URL beginning with the 192 IP address. it runs as it should including the script dbscript.php which executes a MySQL commit unit.However when I start the application with the same URL but beginning instead with "localhost", it fails during the commit unit. It puts a blank screen up (rather than a Succesful or Failed commit screen) and leaves an error message in the Apache error_log indicating a problem with dbscript.php (which does the commit).I assume the 192 IP address is that of my modem. I assume that because the application will not start with the 192 URL if the modem is switched off. The application will start whether the modem is on or off if the URL begins with "localhost".I have checked all hosts files that are on the system and see nothing amiss there -- they are all defaults and no changes have been made by me.
Configuration:
Mac OS X v. 10.6.8
Apache v. 2.2.21
PHP v. 5.3.8
MySql v. 5.1.39
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Sep 5, 2011
get my localhost/ server to be visible to everybody via my external IP.
Things you may need to know:
-I'm running WAMP server, and Apache is installed and running.
-I have no firewall.
-I've forwarded port 80 (HTTP) in my modem and my router configurations. (Netgear WGR614v8 Router & Embarq EQ-660R 660 Series modem)
-I've tried several DNS Hosts, none of them have worked.
-I'm not too sure about the configurations of the WAMP server, though.. here's the file (nothing is edited)
Code:
#
# This is the main Apache HTTP server configuration file. It contains the
# configuration directives that give the server its instructions.
# See <URL: for detailed information.
[Code].....
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Jan 31, 2012
I'm trying to get my crappy desktop (with Windows XP) to be a web server. When I go to localhost it displays the website just fine, but when I go to the external IP on another computer it displays "mikrotik routeros 4.11 configuration page". I've forwarded port 80 and disabled my firewall.
Port forwarding (not sure if I did it right) [URL] microtik page that is displayed [URL]
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Aug 1, 2012
I just bought EA4500. The CD come with it does not support Mac OS 10.8.
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Jul 12, 2013
I've been reading for the past hour about opening ports on Ubuntu 12.04 and I can't seem to get anything to work. I'm running a program with an RPC server accepting local connections on localhost (127.0.0.1) which has allowed ip range 192.168.*.*
I've tried to edit the iptables to allow incoming connections, but curl still can't connect to the RPC server no matter what I do.
$ sudo iptables -A INPUT -i eth0 -p tcp --dport 18332 -j ACCEPT
$ nmap -v -sT localhost
Starting Nmap 5.21 ( http://nmap.org ) at 2013-07-13 05:54 UTC
Initiating Ping Scan at 05:54
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Jul 30, 2012
I have a E3000 and just upgraded my Mac with the OS X Mountain Lion. I can't access my external HD anymore, although when I go to the router set up, on the storage tab, the router appears to recognize the HD.
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May 15, 2011
I need remote access to certain programs on my home PC but I just cannot get it to workWhen I set the programs port preferences (i.e. port 8087), I can connect with "127.0.0.1:8087". both the utorrent and webcamXP work fine. But when I replace the localhost with my external IP (lets say 79.149.114.227, so that would be "http://79.149.114.227:8087" in the case of webcamXP and I tried port forwarding: I have added the port to my NAT in the router's setting so it should be fine, but it is not (numbers are fictual of course)[CODE]
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Dec 22, 2012
So I am working on a website with MySQL/PHP that I have been developing on my Linux box. I wanted to show a friend my progress so I temporarily opened up port 80. So he was able to just type in my public IP and it brought him to my localhost index.
My question is, when I type in my IP address in the URL bar, does the web browser automatically just assume port 80? What happens if I want to have 2 different servers from the same local network and one is running through port 80 and the other is running through port 90? In this case, would I have to type ":90" to access the machine running on port 90?
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May 15, 2011
I need remote access to certain programs on my home PC but I just cannot get it to work.
Program:- webcamXP
When I set the programs port preferences (i.e. port 8087), I can connect with"127.0.0.1:8087" and webcamXP work fine. But when I replace the localhost with my external IP (lets say 79.149.114.227, so that would be "http://79.149.114.227:8087".I tried port forwarding: I have added the port to my NAT in the router's setting so it should be fine, but it is not (numbers are fictual of course):
external port start 8085,
external port end 8089,
protocol TCP/UDP,
internal port start 8085,
internal port end 8089,
server IP address 192.168.1.215)
I also tried disabling AVG Internet Security 2011's firewall temporarily just to check it it was blocking it, but got the same result.I checked if Windows own firewall was on, but it is off.I cannot find any setting in the router's own configuration screen to disable any build in (router's) firewall (if it has any).
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Jan 1, 2012
Have a localhost site to test PayPal IPN which apparently requires router configuration to use port forwarding (or redirection) to send TCP traffic on public port 80 to my test machines private IP at a specified port.
A typical configuration might look like this:
Router NAT Port Redirection Rule TCP Public Port 80 --> 192.168.1.2 (Port 8888)
Where can I find reference to this in online documentation and where do I put this instruction?
My Router is WRT54GS
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Nov 24, 2011
does lion support hp 6840 can i install on mac i have lion
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Sep 19, 2011
so i have a printer attatched to my mom's computer and it's set up for sharing. i can get to the printer through my macbook, but it's asking for a username and password to the network (which it didn't ask me to do when setting up the sharing settings on the windows pc) what do i need to do?
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Mar 14, 2012
We have a problem with a manager who has upgrades his Mac to the latest Lion OS (64 bit), before uograding he could connect without any problem with his mac to our network and work on the terminal server. Since the upgrade he's not able to get it working in 64 bit (normal) mode.
This our setup
Cisco PIX 515
RSA Cisco Pix security Apliance.
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Oct 30, 2011
I recently bought a dell v313w and I finally managed to configure the printer with my mac via wifi.
I'm still very disappointed because I just can't figure out how to scan from my v313w to the mac as it doesn't appear in the possible destination hosts.
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Feb 12, 2012
I have a Cisco ASA 5510 8.2 (3) with clientless SSL VPN portal enabled with some bookmarks pointing to internal servers. I just installed a new Mac OS Lion Server 10.7 box and have a share on it using both AFP and SMB. My old Mac server is 10.6 with a similar share with both AFP and SMB enabled. When using the Portal browser (or bookmarks pointing to cifs://example/server), I get an error "Error contacting host" to the the 10.7 box, but browsing to the 10.6 box works fine.
I have double checked all settings on the 10.7 and permissions, everything appears correct. I can also browse internally via SMB from Windows XP/Windows 7 using default UNC paths \exampleserver, etc., to the 10.7 box.
From what I have read, the 10.7 has a completely different design to the SMB versus the earlier 10.6. [URL].
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Dec 3, 2012
I'm using the Cisco AnyConnect VPN Client (2.5.3055) to connect to a server "A". It has worked fine. Then I tried to connect to the server "B" from the free university of Berlin and then this installed (3.0.08057) automatically without asking. Connecting to server "A" does not work any more. The error message is: "The AnyConnect package on the secure gateway could not be located. You may be experiencing network connectivity issues. Please try again." So I tried to de-install the client with the shipped uninstaller and installed the previous 2.5 client again. but the Error message is still the same.so which files should I remove/edit to get it working as before. The network is OK, I tried it on a other computer under Windows Vista and there the freshly installed Client works fine. So I guess ther must be some files or configurations from the newer version in the way.
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Jul 16, 2012
I'm with one problem, my OS Lion don't authentication in the Secure ACS Version: 5.2.0.26.10.For the Mac Lion operating system to work you must put in execeção the MAC Address of your computer. I wonder how it could cause the OS to authenticate the ACS Lion.
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Sep 23, 2011
Apparently the setup cd does not work with Mac OS Lion. Anyone else out there is using this router on a Mac running Lion...if so, how did you set up the router.
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Jan 10, 2012
I just purchased a new E4200 router. When I try to set it up, , it says that my software (Lion v. 10.7.2) is unsupported. Is there a download that will allow me to use this router?
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May 29, 2012
The USB storage drive is not found when I attempt to map the drive on my Mac Mini Lion OS, it is not found. My question is, does the wrt160nl storage feature work with Mac OS? I have upgraded firmware to 1.0.0.3 and latest version of Lion
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Dec 29, 2011
I just purchased a new E4200 router. When I try to set it up, , it says that my software (Lion v. 10.7.2) is unsupported. Is there a download that will allow me to use this router?
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