Questions tagged [cellular]
The cellular tag has no usage guidance.
26
questions
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12 views
Contact WebRelay behind cellular modem
We are trying to open a gate at a remote client site from our server. We were wanting to get this relay (WebRelay) set up behind a cellular modem. The issue is that I can no longer contact the relay ...
-1
votes
0answers
17 views
Cannot connect to AWS Services on Cell Network, IPV6 config?
I have a pair of native applications, iOS and android, and both cannot reach an API endpoint running on AWS (via Route53) while on a cell connection using various Apple and Samsung devices.
When the ...
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0answers
36 views
Take hash of a string in nginx?
I want to distribute traffic in an nginx reverse proxy across upstreams based on a string that's present in a header, but do so both deterministically and performantly. Situation-wise, think something ...
0
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0answers
24 views
nginx serving 404 Error page on cellular data connection
I will need your help
I have a web server running nginx. If I access the website through a wifi connection, it loads the website. If I access it using LTE on my phone, it just shows the default "...
2
votes
1answer
11k views
Windows 10 as a router: NAT incoming NIC 1 traffic out via NIC 2 [closed]
I have a Windows 10 LTSB PC that I am trying to treat as a server (Running IIS and SQL) and a router, but the router side is giving me issues.
I have 1 Ethernet based NIC (192.168.1.180 no gateway) ...
0
votes
1answer
94 views
Mobile ip assignement using NAT are location dependent?
This post explains very well the logic behind ip assignation for mobile devices but as far as I understand 1 IP can be assigned to various smartphones by the ISP using NAT.
I would like to know if ...
2
votes
1answer
1k views
nginx not serving site on cellular data connection
I have a web server running nginx. If I access the website through a wifi connection, it loads the website. If I access it using LTE on my phone, it just shows the default "Welcome to nginx!" page
...
0
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1answer
663 views
How to route all internet requests to a local pc
I have a friend who works in a small office with ~10 computers + 4 servers. Local service provider told him that there will be a planned maintenance and they will have ~2-3 days of internet downtime.
...
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2answers
17k views
Do cellular network adapters (3G/4G/LTE) have MAC addresses?
We are implementing SSH restrictions by restricting by MAC address in iptables.
Without the MAC address restrictions, using an app like iSSH, it's easy to access my server on the go to check on it's ...
-1
votes
1answer
367 views
how to log bandwidth usage on windows 8 [closed]
My Father has a Verizon jet pack (hotspot card). He is seeing 100+ MB spikes on the Verizon data usage report a few times a day. On July 4th the verizon data usage report online shows 6 GB were ...
7
votes
1answer
13k views
MTU on mobile data networks
I found various lists of MTUs for different links, but they never contain UMTS, LTE, EDGE, HSPA, GPRS.
What are the MTUs of the above mentioned technologies?
14
votes
1answer
2k views
What are the data link protocols for cellular networks? [closed]
What are the link layer protocols for cellular networks?
There are several platforms for high speed cellular networks. From GSM, to GPRS, W-CDMA, HSPA, LTE, etc. I (mostly) know about the physical ...
1
vote
1answer
96 views
Should a MobiTex service with a highly resilient website offer content over WAP? [closed]
I'm trying to offer services over the MobiTex network (also see wiki) and want to reduce double-work. I'm trying to understand if it is a good idea to WAP enable my website.
Given that WAP usage is ...
4
votes
2answers
2k views
Alternate way to connect a vpn through a MIFI
This has gotten to be a major problem at our company and depending on who I ask, the problem either does not really exist (mfr. and vendor) or is insoluble ( according to most users including techs ...
1
vote
1answer
1k views
Pantech UML290 Verizon Driver
Is there a separate driver available for Pantech UML290 4G LTE USB Modem? I would prefer not to have to install VZAccess, but use the default Windows DUN support.
0
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2answers
2k views
Recomend a 2G/3G/4G router with two or more SIM cards [closed]
I'm looking for a device that takes two or more GSM SIM cards, connects over 2G/3G/4G, depending on what is available in that area, and aggregates those links for higher bandwidth and/or redundancy in ...
0
votes
1answer
136 views
Poor indoor cell phone signal [closed]
Due to the construction materials of an office building, cell phone reception is poor, and it's quite common that calls are dropped.
AT&T, Verizon, and RIM are the typical cell phone networks ...
-1
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2answers
1k views
Weird Mac Address at Windows 2003 DHCP Server
I am trying to configure a reservation for my Galaxy.
The problem is that my DHCP is giving out an IP address to an obviously invalid MAC address (Galaxy Mac Address) - Please note attached ...
3
votes
1answer
228 views
Dynamic DNS service for low qps but high deployment count
I deploy cellular modems that currently have sims with static ip addresses. For various reasons, we may move to providing sims without static ips.
The cellular modem supports DDNS (bluetree modem).
...
2
votes
1answer
10k views
How do I troubleshoot an IPsec tunnel (from a cellular router to a public server)?
I'm new to IPsec and struggling with a setup that might soon be widely used in our operations (provided I do understand it, eventually...).
A cellular router (blackbox by netModule, from its log ...
0
votes
1answer
111 views
Receiving cell phone emails through MS Exchange 2007
I am encountering a strange problem whit receiving cell phone emails via my MS Exchange 2007.
When my customer needs to send me a picture of a container he/she takes a photo with a cellphone and ...
2
votes
2answers
2k views
Keeping a persistent 3G connection on Windows
I'm in charge of managing an array of Windows Embedded 7 Standard based PCs (they act just like plain old Windows 7).
The computers have 3G cards as their only means of communication, and are on ...
3
votes
1answer
150 views
How (in)secure are cell phones in reality? [closed]
I was recently re-reading an old Wired article about the Kaminsky DNS Vulnerability and the story behind it.
In this article there was a quote that came across a little bit exaggerated to me:
"The ...
2
votes
5answers
2k views
Extending Cell Phone Coverage and Reception Strength in Basement - Do Cell Phone Extenders Work?
In our offices we have a very strong cell phone signal above ground, however in our conference room in the basement, Verizon & Sprint have almost no coverage (while AT&T works, it is 1 or 2 ...
0
votes
2answers
204 views
Hosting a bunch of sites on a server with Verizon DSL?
I have 50 demo sites (running on .Net 3.5) that are very resource intensive. So shared hosting or using a Virtual Server is not working out.
These sites are not production and do not use a lot of ...
1
vote
1answer
1k views
How Does Droid's Exchange Connector Work?
TL;DR:
flow chart http://img2.pict.com/6e/d6/a7/2101822/0/mockup.png
I'm curious about how email flows into the Droid handset from my corporate MS Exchange server. If I run through the regular ...
