Can't connect to server from device on same network

One-aide9370 · 07-25-2021, 02:59 PM

So Ive seen many threads with the similar problem but I did not find a solution.

I go to Connect/share -> start server and I server started at IP 10.250.xx.xxx:8080
I go to that address in my brower on my PC (windows 10 64bit) and the library works
then I go to the address on my samsung galaxy s9, connected to the same wifi of my PC, but says "Hmm... can't reach this page ERR_ADDRESS_UNREACHABLE"
On PC, wifi network is set to private, PC is discoverable, and calibre.exe and calibre-server.exe added to firewall exception
I also tried to pause antivirus and pause firewall completely
I have not a VPN running

theducks · 07-25-2021, 04:23 PM

Is the PC also WiFi?
Make sure both use the same WiFi speed
Some access points (the WiFi part of the router) block device<>device access by default (security concern ). You may need to adjust the router.

One-aide9370 · 07-25-2021, 06:43 PM

Yes both the same wifi at 2.4 ghz

chaley · 07-26-2021, 09:03 AM

Things to try:

Make sure the two devices aren't using a WiFi guest network. Sometimes guest networks won't permit a guest device to "see" other guest devices.
Check if your WiFi router is using Wireless/SSID Isolation. If it is then the two machines can't see each other.
Check if the PC can ping the Samsung. Use Google to find the windows ping command. If it can't then the two machines are isolated from each other for some reason.
Check if the Samsung can ping the PC. You might need to download a network utility to do this.
Check if it works if you boot the PC in safe mode. If it does then your AV / network security is blocking the connection.

One-aide9370 · 07-26-2021, 12:51 PM

Quote:

Originally Posted by chaley

Things to try:

Make sure the two devices aren't using a WiFi guest network. Sometimes guest networks won't permit a guest device to "see" other guest devices.

I can't verify it yet but now I suspect this might be the issue.

07-25-2021, 02:59 PM	#1
One-aide9370 Junior Member Posts: 4 Karma: 10 Join Date: Jul 2021 Device: Ipad 12.9	Can't connect to server from device on same network So Ive seen many threads with the similar problem but I did not find a solution. I go to Connect/share -> start server and I server started at IP 10.250.xx.xxx:8080 I go to that address in my brower on my PC (windows 10 64bit) and the library works then I go to the address on my samsung galaxy s9, connected to the same wifi of my PC, but says "Hmm... can't reach this page ERR_ADDRESS_UNREACHABLE" On PC, wifi network is set to private, PC is discoverable, and calibre.exe and calibre-server.exe added to firewall exception I also tried to pause antivirus and pause firewall completely I have not a VPN running

07-26-2021, 09:03 AM	#4
chaley Grand Sorcerer Posts: 12,526 Karma: 8065948 Join Date: Jan 2010 Location: Notts, England Device: Kobo Libra 2	Things to try: Make sure the two devices aren't using a WiFi guest network. Sometimes guest networks won't permit a guest device to "see" other guest devices. Check if your WiFi router is using Wireless/SSID Isolation. If it is then the two machines can't see each other. Check if the PC can ping the Samsung. Use Google to find the windows ping command. If it can't then the two machines are isolated from each other for some reason. Check if the Samsung can ping the PC. You might need to download a network utility to do this. Check if it works if you boot the PC in safe mode. If it does then your AV / network security is blocking the connection.

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07-25-2021, 04:23 PM	#2
theducks Well trained by Cats Posts: 31,273 Karma: 61916422 Join Date: Aug 2009 Location: The Central Coast of California Device: Kobo Libra2,Kobo Aura2v1, K4NT(Fixed: New Bat.), Galaxy Tab A	Is the PC also WiFi? Make sure both use the same WiFi speed Some access points (the WiFi part of the router) block device<>device access by default (security concern ). You may need to adjust the router.

07-25-2021, 06:43 PM	#3
One-aide9370 Junior Member Posts: 4 Karma: 10 Join Date: Jul 2021 Device: Ipad 12.9	Yes both the same wifi at 2.4 ghz

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