Huawei B315 Port forward problem

[zubair56]

Hello

I just bought Huawei B315 with Rain LTE-A sim

I did some port forwards and face some weird issue

I am successfully access the the ports with external network but when i try to access the forwarded ports internally via my public ip address, it not showing anything.

Please help me as i am stuck now

thanks

 

[CheddarByte]

Hi there,

Gonna link you to an explanation here: https://superuser.com/questions/1047745/access-external-ip-from-inside-the-network

Most SOHO routers don't support hairpin NAT (AKA NAT loopback), which is accessing an internal machine via the external IP, from inside the same LAN.

If I can ask, why do you need to access your internal services with an external IP?
Why not just access the service directly over the LAN?

 

[zubair56]

Hi there,

Gonna link you to an explanation here: https://superuser.com/questions/1047745/access-external-ip-from-inside-the-network

Most SOHO routers don't support hairpin NAT (AKA NAT loopback), which is accessing an internal machine via the external IP, from inside the same LAN.

If I can ask, why do you need to access your internal services with an external IP?
Why not just access the service directly over the LAN?

thanks for the reply

i have no problem of accessing with LAN but i need Logic of this restriction.

Why i can't access with External IP in Internal Network. Why am i restrict of doing that in internal network??

 

[CheddarByte]

Simple explanation is that the cheap huawie routers we own don't support the feature to do this as very rarely will there be a requirement for this from a SoHo use case.

Hairpin NAT as described in RFC5128: https://tools.ietf.org/html/rfc5128

 

[zubair56]

Simple explanation is that the cheap huawie routers we own don't support the feature to do this as very rarely will there be a requirement for this from a SoHo use case.

Hairpin NAT as described in RFC5128: https://tools.ietf.org/html/rfc5128

alright. i understand your point. thanks Faux_Grey

 

[Thor]

Is there a way to open up a range of ports on this router instead of doing it one by one? (I have at least 200 ports to open.)

With the ZTE router, the port field accepts a range like 5600 - 5630)

 

[TheBadMadMan]

Is there a way to open up a range of ports on this router instead of doing it one by one? (I have at least 200 ports to open.)

With the ZTE router, the port field accepts a range like 5600 - 5630)

On my B525:

Open Port: Port used to access special applications over the Internet. It can be a single port or a range of ports. Up to 5 pairs of ports are supported. Use semicolons (;) to delimit ports. For detailed parameters, please refer to specific applications descriptions.

 

[Thor]

On my B525:

Are you under "Virtual Server" or "Special Applications"

Virtual Server allows 1 port

 

[Thor]

 

[V-Gun]

View attachment 756714

My bru, did you solve this? I also want to open up fifty ports and the limit is 15 ports or something.. standard separation prefixes don't work. It states right there in the description of the LAN?WAN port that it's a single port. Is that the long and the short of it?

 

[William1102]

Hello

I just bought Huawei B315 with Rain LTE-A sim

I did some port forwards and face some weird issue

I am successfully access the the ports with external network but when i try to access the forwarded ports internally via my public ip address, it not showing anything.

Please help me as i am stuck now

thanks

Rain has CGNAT So you will not be able to port forward as one public IP is shared by multiple users and so ports are all not open or able to open