The firewall appears to be blocking outgoing text messages from my phone ...
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I have IPv6 on my cell network, as well as at home. In fact, my phone is IPv6 only and uses 464XLAT to support IPv4. The problem is not IPv6. Fire up Wireshark or Packet Capture to see what's happening. If you don't know what's happening, you can't fix it.
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@NogBadTheBad said in The firewall appears to be blocking outgoing text messages from my phone ...:
System -> Advanced -> Networking , try ticking the Prefer IPv4 over IPv6 option
That is only for pfSense, not for clients connected to it.
And yes Android versions before 7 do have problems with IPv6, these are mostly related to PMTU discovery not working correct and the default MTU being to high. That also explains why connections sometimes work and sometimes not.
So personally I would put those old Android devices on a separate VLAN without IPv6, and use IPv6 for all other LANs. But first make sure IPv6 is actually working.
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@Grimson said in The firewall appears to be blocking outgoing text messages from my phone ...:
@NogBadTheBad said in The firewall appears to be blocking outgoing text messages from my phone ...:
System -> Advanced -> Networking , try ticking the Prefer IPv4 over IPv6 option
That is only for pfSense, not for clients connected to it.
And yes Android versions before 7 do have problems with IPv6, these are mostly related to PMTU discovery not working correct and the default MTU being to high. That also explains why connections sometimes work and sometimes not.
So personally I would put those old Android devices on a separate VLAN without IPv6, and use IPv6 for all other LANs. But first make sure IPv6 is actually working.
Oh didn't realise that :)
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@Grimson said in The firewall appears to be blocking outgoing text messages from my phone ...:
So personally I would put those old Android devices on a separate VLAN without IPv6, and use IPv6 for all other LANs.
This sounds like a good solution. Unfortunately, I don't have any experience with VLANs. Will my cell phones still be able to communicate with devices on the other VLAN?
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My ISP does not offer IPv6, so I was using a Hurricane Electric tunnel for a couple of years to put IPv6 on my LAN. My Apple iOS devices worked fine with it after I got Ubiquiti WAPs that fully supported IPv6. I initially had some old hand-me-down corporate WAPs from a manufacturer I can't remember, but they did not work correctly with IPv6.
But because of the geo-fencing stuff done by Netflix and others, and because some of my streaming devices were wanting to use IPv6, I was encountering difficulties sometimes with streaming content on my LAN. This is because many of the big streaming providers block Hurricane Electric's IP blocks because of the geo-fencing stuff. So I have, for now, disabled my IPv6 HE tunnel.
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@bmeeks said in The firewall appears to be blocking outgoing text messages from my phone ...:
My ISP does not offer IPv6, so I was using a Hurricane Electric tunnel for a couple of years to put IPv6 on my LAN. My Apple iOS devices worked fine with it after I got Ubiquiti WAPs that fully supported IPv6. I initially had some old hand-me-down corporate WAPs from a manufacturer I can't remember, but they did not work correctly with IPv6.
But because of the geo-fencing stuff done by Netflix and others, and because some of my streaming devices were wanting to use IPv6, I was encountering difficulties sometimes with streaming content on my LAN. This is because many of the big streaming providers block Hurricane Electric's IP blocks because of the geo-fencing stuff. So I have, for now, disabled my IPv6 HE tunnel.
That's exactly my story.
WAP, IPv6, iPhone's, all of it.Notable difference : I did not disable he.net because I need (an IPv6) it. I'm using their access point in Paris - I'm connecting from France.
I disabled Netflix .... and will come back when they changed their access politics. I know, this might take a while. -
@Gertjan said in The firewall appears to be blocking outgoing text messages from my phone ...:
@bmeeks said in The firewall appears to be blocking outgoing text messages from my phone ...:
My ISP does not offer IPv6, so I was using a Hurricane Electric tunnel for a couple of years to put IPv6 on my LAN. My Apple iOS devices worked fine with it after I got Ubiquiti WAPs that fully supported IPv6. I initially had some old hand-me-down corporate WAPs from a manufacturer I can't remember, but they did not work correctly with IPv6.
But because of the geo-fencing stuff done by Netflix and others, and because some of my streaming devices were wanting to use IPv6, I was encountering difficulties sometimes with streaming content on my LAN. This is because many of the big streaming providers block Hurricane Electric's IP blocks because of the geo-fencing stuff. So I have, for now, disabled my IPv6 HE tunnel.
That's exactly my story.
WAP, IPv6, iPhone's, all of it.Notable difference : I did not disable he.net because I need (an IPv6) it. I'm using their access point in Paris - I'm connecting from France.
I disabled Netflix .... and will come back when they changed their access politics. I know, this might take a while.I still have my Hurricane Electric tunnel configured. I've just disabled the gif0 interface on my firewall for now and removed the IPv6 DHCPv6 scopes from my DHCP server so my local devices don't grab routable IPv6 addresses. I did not disable the protocol itself on my devices.
The only real issue I had was a rare occasion when some dual-stack web site would not work with IPv6 but would with IPv4 (hello US Social Security site a couple of years ago ...
). Truth be told the main streaming client issues were with my grandkids trying watch Netflix cartoons on their iPads. When they wanted to watch their favorite cartoon and Netflix blocked my Hurricane Electric IPv6 network, then something had to give and that something was my IPv6 setup ... 
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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.
