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Closed 8 years ago.
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I installed the Apache web server on my Windows 7 machine and I'm unable to start it because Skype.exe is already using HTTP port 80 and HTTPS port 443.
I need Apache and Skype to co-exist on the same machine. How do I configure Apache to use other ports, or prevent Skype from listening on these ports?
To turn off and disable Skype usage of and listening on port 80 and port 443, open the Skype window, then click on the Tools menu and select Options. Click on the Advanced tab, and go to the Connection sub-tab. Untick or uncheck the checkbox for Use port 80 and 443 as an alternative for additional incoming connections option. Click on the Save button and then restart Skype to make the change effective.
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Closed 2 years ago.
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I have a conceptual question.
If I have a Java socket (this socket stablish a TCP connection by a channel)
If I run a nc command, the nc command open a tcp connection, then the nc can affect my socket
The same question with telnet, is possible that the telnet affect my socket connection?
Not normally. The operating system will keep those sockets separate. You won't easily affect one socket from another.
If your Java application uses local port 10001 to connect to an HTTPS server on port 443, that socket would be dedicated to that connection between those IPs and ports. IF netcat from the same machine connected to the same server on 443, it wouldn't use the same local ports, and they would not be the same socket.
Now, in unixland at least, open sockets are just file descriptors, and those can be passed between programs. So, for example, your Java application can spawn a new thread and hand the open socket to the thread. But an independent process on the system can't easily just nab data from the open socket.
Of course, these limitations are merely enforced in software, not physical laws, so "anything is possible". But operating systems are going to try to stop this kind of thing from happening.
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Closed 3 years ago.
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Why am I not able to see responses in Charles Proxy when debugging an app?
It is very strange, all certificates have been installed on my laptop and trusted, same for my devices, and I am still getting SSL Proxying not enabled for this host, even though I have the enable SSL box ticked.
I have never run into this issue before. What can I do?
Charles Proxy does not proxy any domain unless specified in the Proxy Settings. It's on the Charles Proxy Documentation:
You must specifically identify the host names you want to enable SSL Proxying on. The list is in the Proxy Settings, SSL tab. You can also right-click on a host name in the structure view and turn on or off SSL Proxying.
If you want all HTTPS traffic to be captured by Charles, then you can add *:* on that list:
If you're looking to only monitor few domains related to your app. A Simple solution would be, just right click on the domain name that you're trying to monitor and in the context menu shown, click Enable SSL Proxying, charles will take care of filling the url and port itself.
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Closed 6 years ago.
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I installed Ubuntu server 16.04 on one of my computer to setup a web server. I want to install Phabricator to manage a video game project with some friends. I'm trying to configure my router (Home Hub 1000 from Bell) to redirect port 80 to this server. The problem is that it doesn't work at all. I can access to my web page from a computer on my local network with the name of the computer, but not from the outside using my IP address (the one used by my router). I added my server to DMZ and I had set up a port forwarding (Protocol: Both, Internal port: 80, External port: 80). My server use a reserved IP address configured on my router.
Thanks for your help.
Besides of a reserved local ip-address, it is useful to have a static ip-address from your provider(because they might change your ip once and a while). You can find your ip on whatismyip.com
When both port forwarding and DMZ are configured in your router, you can look if there is firewall on your server which blocks the external requests.
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Closed 7 years ago.
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I have a HTTP enabled device on my local network that listens at let's say 192.168.1.32:9427. What's the simplest way to make public access to that socket?
you need to port forward from public ip address to private ip-address on port no. 9427
example:
public ip : 20.20.20.20
private ip : 192.168.1.32
Now when someone try to access your local http server should access via 20.20.20.20:9427
to do that :
you need to enable that on your adsl modem or on your router device
to do that for your adsl modem from here
How to Port Forward Your Router
check open ports to see if port no. 9427 is opened or not
Open Port Check Tool
you need to allow your iptables if you are using linux machine and allow port no. 9427
to do that :
iptables -I INPUT 1 -p --dport 9427 -s -j ACCEPT
echo 1 > /proc/sys/net/ipv4/ip_forward
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Closed 14 years ago.
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I have a webserver running on my Windows XP computer. I have set the firewall to allow incoming HTTP connections: Firewall settings window->'Advanced' tab->select my network connection->Settings->Services->check 'Webserver(HTTP)' checkbox.
Normally, this works. However, sometimes upon restarting the server machine, the firewall again begins blocking HTTP connections, notwithstanding the fact that the 'Webserver(HTTP)' exception is still checked in the Firewall settings window.
The only way, then, to get things working again is to uncheck the said option, save the settings, reopen the firewall dialog and check the option and save again.
My question is, is this some peculiarity of my machine or is this a Windows XP firewall bug?
No, that's not a bug, you're just misunderstanding what the Services tab is for.
The list on that tab are for the scenario where the firewalled system also serves as a NAT gateway ("Internet Connection Sharing" or whichever name Microsoft came up with) for another computer. It's basically a form of DNAT. It controls whether or not to allow the initiation of connections to that port through to hosts running on a private network behind the firewalled system.
What you need is to add an exception for port 80 / TCP on the Exceptions tab (don't forget to click on Change scope and select the appropiate scope!) That will work without a hitch. I also recommend you uncheck what you checked ASAP since Windows client operating systems aren't particularly suited for packet forwarding and settings on that tab sometimes mysteriously interfere with normal network traffic (like in your case.)