The firewall appears to be blocking outgoing text messages from my phone ...
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@bmeeks : You saw https://forum.netgate.com/topic/118566/netflix-and-he-net-tunnel-fixed-using-unbound-python-module ? I'm using that feature. No AAAA for netflix sites forces IPv4 access.
@gweempose sorry for the thread jacking.
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Funny that I found this thread because I have had the same thing at my house. My step-son's older Samsung Galaxy could not send text messages when at home on the WIFI. My wife's new Galaxy could. My Pixel could and my old Moto could as well. I never did figure out why. Maybe it is time for a second look. If it was my phone I would be going crazy trying to figure it out...but the kid? He'll survive.
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Still, a real SMS goes over the 2G/3G/4G carrier - even is if the phone is connectioned to some second Internet source (Wifi, Bluetooth, whatever)
edit : after the Whatapp / Telegram / Messenger : who's using SMS these days ?
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@Gertjan said in The firewall appears to be blocking outgoing text messages from my phone ...:
Still, a real SMS goes over the 2G/3G/4G carrier - even is if the phone is connectioned to some second Internet source (Wifi, Bluetooth, whatever)
SMS uses WiFi, if WiFi calling is enabled.
edit : after the Whatapp / Telegram / Messenger : who's using SMS these days ?
What's Whatapp/Telegram/Messenger?
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@JKnott said in The firewall appears to be blocking outgoing text messages from my phone ...:
SMS uses WiFi, if WiFi calling is enabled.
Not every phone has wifi calling. If the OP of a thread is using wifi calling I for one would suggest that they mention that in the first post.
I myself carry a Sonim basic 4G phone which does not have WIFI calling.. but also a tablet that gets all my sms along with my phone as a 4G only device and does get SMS over wifi. Verified yesterday in a no cell coverage basement of a building. :)
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@chpalmer said in The firewall appears to be blocking outgoing text messages from my phone ...:
Not every phone has wifi calling. If the OP of a thread is using wifi calling I for one would suggest that they mention that in the first post.
I mentioned it in the second post as soon as I realized it was pertinent.
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@gweempose said in The firewall appears to be blocking outgoing text messages from my phone ...:
I mentioned it in the second post as soon as I realized it was pertinent.
I see that now. And my post is in a generalization kind of way and not directed at you totally. Others that come by might benefit.
:)
Im wondering though if you looked at your state table to see what your phone is trying to connect to??
Could you try static port on that particular connection to see if that helps.. My tablet seems to work out of the box on my Verizon account.
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@chpalmer You are right
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Interesting thread. Two family members have Samsung phones that choked intermittently on wifi calling and SMS. Three other phones, Google Pixels from versions 2 to 3, work just fine.
Seeing that this could be an IPv6 bug from Samsung on my IPv6-enabled network, I assigned them static IPv4 addresses. So far this seems to have cured the problem without causing me to disable IPv6 for the rest of my devices.
You would think after all these years everything would work on IPv6. Apparently not.
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Is IPv6 used for your WiFi calling? It isn't on mine. You can use Packet Capture to see what's used.
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@JKnott Apparently this is an intermittent problem, the phone pulled an IPv6 address, and failed to receive a wifi call. So I rebooted it, after which it received a wifi call fine. I don't know if the call is going over IPv4 or v6. Really all I can tell at this point is the problem appears to be confined to Samsung phones, and rebooting seems to make it work for a while. I don't currently have a firewall rule passing WAN net inbound to LAN net on 500 and 4500, as it seems to work intermittently with or without these rules.
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My Pixel 2 always gets an IPv6 address, whether on my home network or the cell network. It has nothing to do with the problem. You can run Packet Capture on UDP port 4500 to see if IPv4 is used or IP protocol 50 (IIRC) to see if IPv6 is used. The reason for the difference is that UDP is used to get around NAT on IPv4.
However, given that it only applies to the Samsung phone and a reboot fixes it, that's likely where your problem is, and not with pfSense. Regardless, packet captures can often tell you a lot.
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@JKnott Yeah, especially on Verizon, phones are IPv6. If I FTP into my media server using my Pixel 2 it shows an IPv6 address on Filezilla FTP server. I'm sure it is a Samsung problem and not pFsense, but there must be some way to work around it. I don't recall having this problem with my ancient Draytek Vigor 2130 router.
Is packet capture a pFsense utility? Never tried it before. Tried to use Wireshark once, but gave up - incredibly complicated to figure out.
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If the problem is with the phone I doubt there's anything you could do in pfSense to get around it. PfSense includes Packet Capture, on the Diagnostics page. However, by itself, it provides limited info and it's better to download the capture to read with Wireshark. Yes, Wireshark is complicated, but it does a lot of useful stuff for working on networking problems. I use it regularly.
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I use the software firewall untangle as my router firewall for my home network. I found over the last several months that all of the phones in my house that use Wi-Fi calling will sometimes have problems either sending or receiving pictures via SMS. I'm not trying to hijack this post, I'm trying to point out that it's not just pfsense that's causing this problem, nor is it just older phones because I just had the issue 5 minutes ago on my note 10 plus. It's also not limited to carrier because the original poster is on Verizon and I am on AT&T.
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@red3recon said in The firewall appears to be blocking outgoing text messages from my phone ...:
I use the software firewall untangle as my router firewall for my home network. I found over the last several months that all of the phones in my house that use Wi-Fi calling will sometimes have problems either sending or receiving pictures via SMS. I'm not trying to hijack this post, I'm trying to point out that it's not just pfsense that's causing this problem, nor is it just older phones because I just had the issue 5 minutes ago on my note 10 plus. It's also not limited to carrier because the original poster is on Verizon and I am on AT&T.
Ah, you have Samsung too. It is my slightly-informed opinion that Samsung has a problem with wifi calling (which is SMS-over-wifi as well) with an IPv6-enabled network. But I'm neither tech-savvy enough, or interested enough to become more wireshark-skilled, to prove this with certainty.
My solution will be to ditch the only Samsung phone in our household, which will come at a price. But I can't have the darn thing not receiving calls to one of my kids, and I'm not interested in trying to accommodate Samsung's stupidity.
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Wifi calling uses the same protocol as VoLTE. It's VoIP encrypted with IPSec and then encapsulated in UDP, if passing through NAT. I don't know what's used when directly on the cell network, but on my WiFi, it uses IPv4, even though I have IPv6 available. I don't know much about the protocols used beyond that. Perhaps someone else here does.
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@JKnott said in The firewall appears to be blocking outgoing text messages from my phone ...:
Wifi calling uses the same protocol as VoLTE. It's VoIP encrypted with IPSec and then encapsulated in UDP, if passing through NAT. I don't know what's used when directly on the cell network, but on my WiFi, it uses IPv4, even though I have IPv6 available. I don't know much about the protocols used beyond that. Perhaps someone else here does.
I know Verizon uses IPv6 on their mobile network, as an FTP login to my server from my phone connected to a mobile tower yields an IPv6 address. I'm not sure how I could ever tell if IPv6 is used for VoLTE, though, as I don't have that level of access to their network.
I do know that my mother-in-law's Samsung phone doesn't have a problem on her home wifi, but that is your typical consumer router <2 years old. I think it is common for such gear to default to IPv4 on the LAN. It may be there is a Samsung bug with wifi calling that is triggered by the availability of IPv6, even if it isn't using it. To be honest, it is academic once it is isolated to a Samsung problem rather than pfSense - the Samsung phone must go.
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@lifespeed said in The firewall appears to be blocking outgoing text messages from my phone ...:
I know Verizon uses IPv6 on their mobile network, as an FTP login to my server from my phone connected to a mobile tower yields an IPv6 address. I'm not sure how I could ever tell if IPv6 is used for VoLTE, though, as I don't have that level of access to their network.
My cell company (Rogers) also has IPv6 and I get a /64, when I tether to it. Like you, I have no way to see what's on the cell network.
I do know that my mother-in-law's Samsung phone doesn't have a problem on her home wifi, but that is your typical consumer router <2 years old. I think it is common for such gear to default to IPv4 on the LAN.
Actually, routers these days should handle IPv6, thought some people don't enable it. It's the client that normally defaults to IPv6, not the router.
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@JKnott said in The firewall appears to be blocking outgoing text messages from my phone ...:
Actually, routers these days should handle IPv6, thought some people don't enable it. It's the client that normally defaults to IPv6, not the router.
I think what you're referring to as IPv6 is a link-local address. A globally-routable IPv6 (SLAAC) requiring prefix delegation is not the default configuration in a consumer router, and does require a change to router setup. I think. It isn't default in pfSense either.