Port Mirroring and Wireshark. This can happen if the destination MAC is unknown and the switch hopes to find it by pushing all frames out on all ports, which. VoIP Call Recording with Remote Port Mirroring. If you are interested in traffic coming to and from a MAC address, you should mirror based on the MAC address. For the purposes of VoIP call recording, I chose to mirror traffic to and from a MAC address. 10 Comments on “VoIP Call Recording with Remote Port Mirroring”.
You could try socat under cygwin, it is a 'swiss army knife' like netcat, but works for bidrectional connections: one example from the man-page: socat -d -d -lmlocal2 TCP4-LISTEN:80,bind=myaddr1,su=nobody,fork,range=10.0.0.0/8,reuseaddr TCP4:www.domain.org:80,bind=myaddr2 TCP port forwarder, each side bound to another local IP address (bind). This example handles an almost arbitrary number of parallel or consecutive connections by fork'ing a new process after each accept.
It provides a little security by su'ing to user nobody after forking; it only permits connections from the private 10 network (range); due to reuseaddr, it allows immediate restart after master process's termination, even if some child sockets are not completely shut down. With -lmlocal2, socat logs to stderr until successfully reaching the accept loop. Further logging is directed to syslog with facility local2. I would look first at the configuration file for Openfire, which is pretty flexible.
It's been a while since I have worked with it, but the port it listens on should be a configuration option in the XML-based config file, and some Google searches and/or a review of the documentation should turn up some more details if the config file isn't self-documenting. No use making the solution more complex if you can solve it in your application, and it may (I'm not sure) be capable of listening on both ports at once even.
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You can resolve many display issues by updating the software on your Apple devices, cables, and adapters. If you can see an image on your screen, check for software updates using the:. Connect your external display and any Apple video cables or adapters that you use with it. From the Apple menu, choose App Store. Click the Updates button in the App Store window. Install any macOS or firmware updates that are listed. If you're using a display, hub, extender, or adapter not made by Apple, check with the manufacturer for any updates that might be available.
If you're trying to connect a, make sure your computer meets the requirements for using these external displays. If your software and firmware are up to date, or if you can't see the image on your screen, try the steps below for your specific issue. Check the connections to your Mac and external displays:. If you're using an Apple notebook, try connecting its power adapter. Make sure the external display's power cable is securely connected and that your display is turned on. If you're using a Mac Pro (Late 2013).
If you're using a display hub, switchbox, or 'KVM,' try connecting your display's video cable directly to your Mac instead. Disconnect the video cable where it plugs into your Mac, then plug it back in to reseat the connection. If you're using a video adapter, unplug the video adapter from your Mac, then plug it back in to reseat the connection. If you're using more than one video adapter to connect your display (the adapters are 'chained' together), try connecting the display using only one adapter if possible.
Some video adapters can't be connected together. For example, a mini DisplayPort to DVI adapter can't be connected to a DVI to HDMI adapter. If your display has more than one video connection, see if using another connection on the display works. If possible, check to see if using a different display or a different adapter works.
Try using a different cable that you know is in working order. Check with the display's manufacturer to make sure you're using the cable they recommend. Restart the Mac with the display connected. If there's no image on your display, try adjusting your display's brightness or contrast. If there's still no image, or the image appears torn or scrambled, try selecting a different video resolution in System Preferences.
Adjust brightness. If you're using an Apple Display, press the increase brightness key on your Apple keyboard. To adjust the brightness of a secondary display, press Control-F2. If you're using a display that's not made by Apple, check the documentation that came with your display to see if it includes built-in controls for adjusting its brightness or contrast. Change your display resolution. From the Apple menu, choose System Preferences. Click the Displays icon.
Click Default for display. If you see more than one resolution listed, choose a resolution and refresh rate. If the display turns off when you change resolutions, press the escape key to undo the change.
If you can't change the resolution of your display because you can't see an image, restart your Mac in to reset the display resolution to defaults. If starting in safe mode doesn't resolve the issue, reset your Mac's and to reset the video ports on your Mac to their defaults. Make sure your display resolution in System Preferences is set to its default. If you're using a resolution that's scaled, the image might be magnified to fit the display.
This can cause the image to look blurry in some apps. From the Apple menu, choose System Preferences. Click the Displays icon. Select Default for display. If you use a monitor or an HDTV connected with an HDMI cable, you might see a difference in video quality if your display is set to television mode. Check your display for a 'monitor mode' setting to get the best video quality.
If an app you're using appears low resolution on your Retina display,. Most apps have been updated to use the higher pixel densities of Retina displays.
Lower-resolution images on some web pages might also appear 'softer' when viewed on a Retina display. This is because Retina displays have a higher pixel density and not all websites use Retina-ready images.
For example, the images below look different when viewed on a Retina display, but the same on a non-Retina display. This happens because the Retina-ready image has a higher pixel density: Standard image Retina-ready image. To adjust the brightness of your Apple display, press the brightness key or F2 key on your keyboard. You can also use the brightness adjustment for each connected display in System Preferences Displays. Displays not made by Apple sometimes have brightness and color adjustments built into the display.
Check the documentation for your display to see if it includes built-in controls. When you connect a display, projector, or HDTV using an HDMI cable, you might see a difference in video quality if your display is set to television mode.
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Check your device for a 'monitor mode' setting to achieve the best video quality. You can also from the Color tab of Displays preferences to get the best color and brightness from your display. The connects Mac models with (USB-C) ports to older devices that use Thunderbolt (10Gbps) or Thunderbolt 2 (20Gbps). For example, this is the adapter that you should use to connect your MacBook Pro to an Apple Thunderbolt Display or a third-party Thunderbolt 2 storage device.
This adapter doesn't support connections to Mini DisplayPort displays, including the following Apple adapters and displays:. Apple Mini DisplayPort to Dual-Link DVI Adapter. Apple Mini DisplayPort to DVI Adapter.
Apple Mini DisplayPort to VGA Adapter. Apple LED Cinema Display If you're using the Thunderbolt 3 (USB-C) to Thunderbolt 2 Adapter to connect to a compatible display and the display doesn't show an image, try unplugging the adapter and plugging it back in.
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