Unable to ping a specific public ip when using pfsense not when bypass.
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Yup, you should see a state on WAN too with the private internal IP NAT'd to the WAN address.
Steve
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@okjello said in Unable to ping a specific public ip when using pfsense not when bypass.:
138.197.130.124
This is the states you should see when pinging something on the internet
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I see it on the wan also but its not right...
WAN icmp 64.66.xxx.xx:44889 (10.1.0.45:1) -> 138.197.130.124:44889 0:0 8 / 0 480 B / 0 B
Is it picking random port? 44889 yours shows 54414 ?
So strange
Maybe i will just reload pfsense? It is a fresh install, no addons or anything. Running a a laptop with gig usb3 and onboard. Tons of resources.
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@okjello said in Unable to ping a specific public ip when using pfsense not when bypass.:
Is it picking random port? 44889 yours shows 54414 ?
icmp doesn't really have a port.. But yes the way napt works is a "random" source port above 1023 will be used.
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Yup, and that shouldn't be an issue.
I assume you are able to ping other addresses?
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@stephenw10
yes everything else i ping fine, by ip or dns. and if i plug into modem directly i can ping it, so strange -
@okjello Is the IP address you're trying to ping the specific monitoring IP address for the Bypass Gateway?
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Mmm, it responds to ping fine for me and @johnpoz so not something pfSense specific.
Can we see your firewall rules? Do you have anything specific for that IP?
Steve
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@stephenw10
Just the default rules
0 /394 KiB- RFC 1918 networks * * * * * Block private networks
0 /0 B - Reserved
Not assigned by IANA * * * * * Block bogon networks
Lan rules
3 /993 KiB-
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- LAN Address 80 * * Anti-Lockout Rule
69 /2.54 GiB
IPv4 * LAN net * * * * none Default allow LAN to any rule
0 /0 B
IPv6 * LAN net * * * * none Default allow LAN IPv6 to any rule
- LAN Address 80 * * Anti-Lockout Rule
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I did try to setup allow rules for this ip as i connect to this server on port 16567. I couldn't connect with or with out rules I made. I can connect to other game servers. it soo strange. I might just try reload pfsense as i have nothing really configured on it.
- RFC 1918 networks * * * * * Block private networks
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@okjello said in Unable to ping a specific public ip when using pfsense not when bypass.:
138.197.130.124
So I just reloaded pfsense, I installed 2.6.0-RELEASE on a toshiba laptop with i5 cpu and a usb nic.
Every webpage and thing I ping works except 138.197.130.124.
Normally I would think my public ip is being blocked etc but i can unplug the uplink from cable modem to pfsense and plug my computer directly into cable modem and i can ping that ip all day long.
only thing i configured is the wan and lan with loccal ip 10.1.0.1/23 everyting else except password in out of box config....
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@okjello sniff on wan while your sniffing - do you see the ping go out? If so then its not pfsense..
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I just tried to ping while using Surfshark vpn and I can ping. Thank kinda makes sense.
I will try packet capture and see
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@okjello
So this is my Lan side, 10.1.0.45 my pc, the 172 was a google ping
I do not see replies from 138.197.130.124.21:10:24.039494 IP 10.1.0.45 > 172.217.13.163: ICMP echo request, id 1, seq 11068, length 40
21:10:24.065435 IP 172.217.13.163 > 10.1.0.45: ICMP echo reply, id 1, seq 11068, length 40
21:10:24.774889 IP 10.1.0.45.55445 > 142.251.16.189.443: UDP, length 33
21:10:24.818331 IP 142.251.16.189.443 > 10.1.0.45.55445: UDP, length 26
21:10:25.050849 IP 10.1.0.45 > 172.217.13.163: ICMP echo request, id 1, seq 11069, length 40
21:10:25.081907 IP 172.217.13.163 > 10.1.0.45: ICMP echo reply, id 1, seq 11069, length 40
21:10:25.531754 IP 10.1.0.45.59249 > 172.253.63.188.5228: tcp 1
21:10:25.576188 IP 172.253.63.188.5228 > 10.1.0.45.59249: tcp 0
21:10:26.363807 IP 10.1.0.45 > 138.197.130.124: ICMP echo request, id 1, seq 11070, length 40
21:10:26.424892 IP 10.1.0.45.55445 > 142.251.16.189.443: UDP, length 33
21:10:26.468575 IP 142.251.16.189.443 > 10.1.0.45.55445: UDP, length 26
21:10:27.249660 IP 10.1.0.45.59292 > 172.217.13.197.443: tcp 1 -
@okjello sniff on your WAN!!
Do you see the echo request go out? Its that simple - yes or no? You said you can ping google, so why would you would think showing us that?
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@okjello Is the IP address you're trying to ping the specific monitoring IP address for the Bypass Gateway?
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@okjello said in Unable to ping a specific public ip when using pfsense not when bypass.:
WAN icmp 64.66.xxx.xx:44889 (10.1.0.45:1) -> 138.197.130.124:44889 0:0 8 / 0 480 B / 0 B
If your showing state then that means it went outbound - if it went outbound and you don't get a response that has ZERO to do with pfsense.
You plugging a different device into a cable modem gets you a different IP.. Because your mac changes.
I want you to sniff on pfsense wan so you see the traffic go out for yourself.. This isn't a pfsense issue.. This is upstream.
Just think for 2 seconds.. What thing could be wrong on a clean install to some IP, but every other IP works..
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@okjello said in Unable to ping a specific public ip when using pfsense not when bypass.:
Normally I would think my public ip is being blocked etc but i can unplug the uplink from cable modem to pfsense and plug my computer directly into cable modem and i can ping that ip all day long.
Are you sure the public IP is the same in both situations?
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@stephenw10 said in Unable to ping a specific public ip when using pfsense not when bypass.:
Are you sure the public IP is the same in both situations?
Tell you right now they are not.. Why would a dhcp server give a different mac the same IP?
He shows pfsense having a public IP in his wan state.. In what scenario would different macs from a dhcp server get the same IP?
What makes more sense - IP X blocked by this server, or pfsense just deciding to not work on some random IP, but creates the outbound traffic, as you can see via the state..
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Yup that seems most likely. Though you would think the laptop running pfSense would also get a different IP and be able to connect. Just unlucky maybe....
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@stephenw10 where did he say he used a different laptop then previous? He just telling you what he is running pfsense on, and that he reinstalled it.
He didn't say he changed the nic being plugged into the cable modem..
