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Can only ping one direction!?

sazrocks
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Go to solution Solved by MangetsuNeko,
4 minutes ago, sazrocks said:

That works! Thank you! How would I disable this ICMP filtering without disabling the firewall as a whole?

Try this command, too, if that is more your thing.

netsh advfirewall firewall add rule name="ICMP Allow incoming V4 echo request" protocol=icmpv4:8,any dir=in action=allow

So I have a bit of an odd situation here. I have two subnets, 192.168.1.0/24 and 192.168.2.0/24. I have three clients that this involves,

192.168.1.2 (my win10 desktop),

192.168.1.90 (unraid server),

and 192.168.2.2 (debian server).

 

From 192.168.1.90 I can ping 192.168.1.2 and 192.168.2.2.

From 192.168.1.2 I can ping 192.168.1.90 and 192.168.2.2.

From 192.168.2.2 I can ping 192.168.1.90, but not 192.168.1.2.

 

So for some reason 192.168.1.2 can ping 192.168.2.2 but 192.168.2.2 can't ping 192.168.1.2

 

By can't ping I mean it just sits there until I ctrl-c to quit the process; there are no error messages. Below is an example.

REDACTED@debianServer:~$ ping 192.168.1.2
PING 192.168.1.2 (192.168.1.2) 56(84) bytes of data.
^C
--- 192.168.1.2 ping statistics ---
254 packets transmitted, 0 received, 100% packet loss, time 259050ms

Any ideas? Am I missing something stupid?

Current LTT F@H Rank: 85    Score: 1,206,444,324    Stats

My main Rig (Hybrid Windows 10/Arch Linux):

OS: Arch Linux w/ XFCE DE (Kernel 5.10.7 VFIO) as host OS, windows 10 as guest

CPU: Ryzen 9 3900X w/PBO on (6c 12t for host, 6c 12t for guest)

Cooler: Noctua NH-D15

Mobo: Asus X470-F Gaming

RAM: 32GB G-Skill Ripjaws V @ 3200MHz (12GB for host, 20GB for guest)

GPU: Guest: EVGA RTX 3070 FTW3 ULTRA Host: 2x Radeon HD 8470

PSU: EVGA G2 650W

SSDs: Guest: Samsung 850 evo 120 GB, Samsung 860 evo 1TB Host: Samsung 970 evo 500GB NVME

HDD: Guest: WD Caviar Blue 1 TB

Case: Fractal Design Define R5 Black w/ Tempered Glass Side Panel Upgrade

Other: White LED strip to illuminate the interior. Extra fractal intake fan for positive pressure.

 

unRAID server (Plex, Windows 10 VM, NAS, Duplicati, game servers):

OS: unRAID 6.8.3

CPU: Ryzen R7 2700x @ Stock

Cooler: Noctua NH-U9S

Mobo: Asus Prime X470-Pro

RAM: 16GB G-Skill Ripjaws V + 16GB Hyperx Fury Black @ stock

GPU: EVGA GTX 1080 FTW2

PSU: EVGA G3 850W

SSD: Samsung 970 evo NVME 250GB, Samsung 860 evo SATA 1TB 

HDDs: 4x HGST Dekstar NAS 4TB @ 7200RPM (3 data, 1 parity)

Case: Sillverstone GD08B

Other: Added 3x Noctua NF-F12 intake, 2x Noctua NF-A8 exhaust, Inatek 5 port USB 3.0 expansion card with usb 3.0 front panel header

Details: 12GB ram, GTX 1080, USB card passed through to windows 10 VM. VM's OS drive is the SATA SSD. Rest of resources are for Plex, Duplicati, Spaghettidetective, Nextcloud, and game servers.

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20 minutes ago, sazrocks said:

Any ideas?

Firewall and AV can sometimes interfere...

So rise up, all ye lost ones, as one, we'll claw the clouds

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20 minutes ago, Radium_Angel said:

Firewall and AV can sometimes interfere...

How though? Packets can be sent in both directions and both respond to ping from a third client, so I don’t see how firewall could be an issue.

 

There is no AV installed.

Current LTT F@H Rank: 85    Score: 1,206,444,324    Stats

My main Rig (Hybrid Windows 10/Arch Linux):

OS: Arch Linux w/ XFCE DE (Kernel 5.10.7 VFIO) as host OS, windows 10 as guest

CPU: Ryzen 9 3900X w/PBO on (6c 12t for host, 6c 12t for guest)

Cooler: Noctua NH-D15

Mobo: Asus X470-F Gaming

RAM: 32GB G-Skill Ripjaws V @ 3200MHz (12GB for host, 20GB for guest)

GPU: Guest: EVGA RTX 3070 FTW3 ULTRA Host: 2x Radeon HD 8470

PSU: EVGA G2 650W

SSDs: Guest: Samsung 850 evo 120 GB, Samsung 860 evo 1TB Host: Samsung 970 evo 500GB NVME

HDD: Guest: WD Caviar Blue 1 TB

Case: Fractal Design Define R5 Black w/ Tempered Glass Side Panel Upgrade

Other: White LED strip to illuminate the interior. Extra fractal intake fan for positive pressure.

 

unRAID server (Plex, Windows 10 VM, NAS, Duplicati, game servers):

OS: unRAID 6.8.3

CPU: Ryzen R7 2700x @ Stock

Cooler: Noctua NH-U9S

Mobo: Asus Prime X470-Pro

RAM: 16GB G-Skill Ripjaws V + 16GB Hyperx Fury Black @ stock

GPU: EVGA GTX 1080 FTW2

PSU: EVGA G3 850W

SSD: Samsung 970 evo NVME 250GB, Samsung 860 evo SATA 1TB 

HDDs: 4x HGST Dekstar NAS 4TB @ 7200RPM (3 data, 1 parity)

Case: Sillverstone GD08B

Other: Added 3x Noctua NF-F12 intake, 2x Noctua NF-A8 exhaust, Inatek 5 port USB 3.0 expansion card with usb 3.0 front panel header

Details: 12GB ram, GTX 1080, USB card passed through to windows 10 VM. VM's OS drive is the SATA SSD. Rest of resources are for Plex, Duplicati, Spaghettidetective, Nextcloud, and game servers.

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Windows Firewall will sometimes block ICMP packets from what it considers an outside network. Try disabling Windows Firewall temporarily to test this out.

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14 minutes ago, MangetsuNeko said:

Windows Firewall will sometimes block ICMP packets from what it considers an outside network. Try disabling Windows Firewall temporarily to test this out.

That works! Thank you! How would I disable this ICMP filtering without disabling the firewall as a whole?

Current LTT F@H Rank: 85    Score: 1,206,444,324    Stats

My main Rig (Hybrid Windows 10/Arch Linux):

OS: Arch Linux w/ XFCE DE (Kernel 5.10.7 VFIO) as host OS, windows 10 as guest

CPU: Ryzen 9 3900X w/PBO on (6c 12t for host, 6c 12t for guest)

Cooler: Noctua NH-D15

Mobo: Asus X470-F Gaming

RAM: 32GB G-Skill Ripjaws V @ 3200MHz (12GB for host, 20GB for guest)

GPU: Guest: EVGA RTX 3070 FTW3 ULTRA Host: 2x Radeon HD 8470

PSU: EVGA G2 650W

SSDs: Guest: Samsung 850 evo 120 GB, Samsung 860 evo 1TB Host: Samsung 970 evo 500GB NVME

HDD: Guest: WD Caviar Blue 1 TB

Case: Fractal Design Define R5 Black w/ Tempered Glass Side Panel Upgrade

Other: White LED strip to illuminate the interior. Extra fractal intake fan for positive pressure.

 

unRAID server (Plex, Windows 10 VM, NAS, Duplicati, game servers):

OS: unRAID 6.8.3

CPU: Ryzen R7 2700x @ Stock

Cooler: Noctua NH-U9S

Mobo: Asus Prime X470-Pro

RAM: 16GB G-Skill Ripjaws V + 16GB Hyperx Fury Black @ stock

GPU: EVGA GTX 1080 FTW2

PSU: EVGA G3 850W

SSD: Samsung 970 evo NVME 250GB, Samsung 860 evo SATA 1TB 

HDDs: 4x HGST Dekstar NAS 4TB @ 7200RPM (3 data, 1 parity)

Case: Sillverstone GD08B

Other: Added 3x Noctua NF-F12 intake, 2x Noctua NF-A8 exhaust, Inatek 5 port USB 3.0 expansion card with usb 3.0 front panel header

Details: 12GB ram, GTX 1080, USB card passed through to windows 10 VM. VM's OS drive is the SATA SSD. Rest of resources are for Plex, Duplicati, Spaghettidetective, Nextcloud, and game servers.

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It should be an Inbound setting I believe under File and Printer Sharing.

Give this a try:

  1. Click Advanced Settings on the left.
  2. From the left pane of the resulting window, click Inbound Rules.
  3. In the right pane, find the rules titled File and Printer Sharing (Echo Request - ICMPv4-In).
  4. Right-click each rule and choose Enable Rule.

Let me know if that works for you or not...

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4 minutes ago, sazrocks said:

That works! Thank you! How would I disable this ICMP filtering without disabling the firewall as a whole?

Try this command, too, if that is more your thing.

netsh advfirewall firewall add rule name="ICMP Allow incoming V4 echo request" protocol=icmpv4:8,any dir=in action=allow
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4 minutes ago, MangetsuNeko said:

Try this command, too, if that is more your thing.


netsh advfirewall firewall add rule name="ICMP Allow incoming V4 echo request" protocol=icmpv4:8,any dir=in action=allow

Ran that, works now, than you!

Current LTT F@H Rank: 85    Score: 1,206,444,324    Stats

My main Rig (Hybrid Windows 10/Arch Linux):

OS: Arch Linux w/ XFCE DE (Kernel 5.10.7 VFIO) as host OS, windows 10 as guest

CPU: Ryzen 9 3900X w/PBO on (6c 12t for host, 6c 12t for guest)

Cooler: Noctua NH-D15

Mobo: Asus X470-F Gaming

RAM: 32GB G-Skill Ripjaws V @ 3200MHz (12GB for host, 20GB for guest)

GPU: Guest: EVGA RTX 3070 FTW3 ULTRA Host: 2x Radeon HD 8470

PSU: EVGA G2 650W

SSDs: Guest: Samsung 850 evo 120 GB, Samsung 860 evo 1TB Host: Samsung 970 evo 500GB NVME

HDD: Guest: WD Caviar Blue 1 TB

Case: Fractal Design Define R5 Black w/ Tempered Glass Side Panel Upgrade

Other: White LED strip to illuminate the interior. Extra fractal intake fan for positive pressure.

 

unRAID server (Plex, Windows 10 VM, NAS, Duplicati, game servers):

OS: unRAID 6.8.3

CPU: Ryzen R7 2700x @ Stock

Cooler: Noctua NH-U9S

Mobo: Asus Prime X470-Pro

RAM: 16GB G-Skill Ripjaws V + 16GB Hyperx Fury Black @ stock

GPU: EVGA GTX 1080 FTW2

PSU: EVGA G3 850W

SSD: Samsung 970 evo NVME 250GB, Samsung 860 evo SATA 1TB 

HDDs: 4x HGST Dekstar NAS 4TB @ 7200RPM (3 data, 1 parity)

Case: Sillverstone GD08B

Other: Added 3x Noctua NF-F12 intake, 2x Noctua NF-A8 exhaust, Inatek 5 port USB 3.0 expansion card with usb 3.0 front panel header

Details: 12GB ram, GTX 1080, USB card passed through to windows 10 VM. VM's OS drive is the SATA SSD. Rest of resources are for Plex, Duplicati, Spaghettidetective, Nextcloud, and game servers.

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