Questions tagged [isp]

An Internet service provider (ISP) is an organization that provides access to the Internet.

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How to disable Nginx web pages caching to avoid ISP cache?

My problem is simple. I did some changes on a homepage this morning (add some sentence) and it did not appear in my browser. I cleared symfony cache, nginx cache, apc cache, restart apache, restart ...
MaximeBernard's user avatar
2 votes
1 answer
4k views

OpenWrt allow IPv6 rule to access a server with global IPv6 on local area

First of all, I have a domain with dns configured to point to my device global address witch is set to static with my ISP gloabl prefix as xxxx:xxxx:xxxx:de01::3/64 in dhcpcd.conf. I'm using Openwrt ...
JB_DELR's user avatar
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2 votes
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WAN failover for local mail server

I have a question about possible failover solution for internet connection to local mail server in one small office where are problems with ISP. There is Kerio Control server with public static IP 1.1....
user2014521's user avatar
2 votes
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2k views

How often does the geolocation associated to an ordinary IP address usually change?

Can anyone tell me how often should i expect a routable IP address (either v4 or v6) to have its associated geolocation (country + city level) changed, in average? I'm asking this because i'm ...
Gabriel S.'s user avatar
2 votes
0 answers
544 views

I am not able to connect to my server from my leased line internet connection

I am having some troubles connecting to my Fedora server from my static IP ISP connection. Usually I can ping that server with no problems. But other times it just gives me timeout responses. When ...
wael34218's user avatar
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2 answers
129 views

aggregating multiple ISP connections

OK, so we have an office in Pakistan. Phone and ISP service is pretty poor there, so they have 2 ISP connections, one thru Pakistan telecom, one thru a different ISP. The PK tele one has a router that ...
David Shields's user avatar
2 votes
0 answers
351 views

multiple isp links on a HWIC-4ESW

First, I am not doing fail-over. I want to be able to add another ISP link using a HWIC-4ESW. Equipment: Cisco 3825(1GB ram, 2GB flash, IOS 15.4 Advanced Enterprise services) with HWIC-4ESW ...
Doug's user avatar
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Server won't return some requests to single ISP

I have a Linode server that won't return random GET requests to my usual ISP (but never gets stuck with the same one each time). If I switch ISP or use Opera VPN, all works well. Linode says all ...
biscuitstack's user avatar
1 vote
0 answers
103 views

ISP provides 400MB connection but behind iptables firewall I only get about 150MB

I have COX communications as my ISP and I have a 400 MB connection at work. I have had for years an iptables firewall I setup that runs great. CPU Info Intel® Core™ i5-2400 Processor (6M Cache, 3.10 ...
Cesar Bielich's user avatar
1 vote
0 answers
574 views

Same VLAN for LAN only and Internet users on 802.1x network with pfSense as gateway

I am creating an ISP for a student residence. The LAN is already there and working, with several CISCO switches. I want to provide Internet by a secured and automatic way to those who pay for it (...
qschulz's user avatar
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Flat ISP network to MPLS dumb Q

I have a fairly flat ISP network that I am upgrading to use MPLS (dont ask why, that decision is above my position) but clients/CPE are authenticated using PPPoE. Each POP uses a router configured as ...
Random-IT's user avatar
  • 181
1 vote
2 answers
379 views

How to best redirect customers to a login page? (ISP)

I'm trying to come up with the cleanest way to redirect a user to a logon/payment page from an ISP gateway router. We run a small ISP and would like to force users to have to log in prior to getting ...
justin0's user avatar
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1 vote
0 answers
54 views

Modems unable to acquire dhcp IPs

I work at an ISP where we use routers (7200) for dhcp. I recently reloaded one of our dhcp routers because we had complaints from many users unable to connect and the dhcp database file it was ...
Ugorji Nnanna's user avatar
1 vote
1 answer
934 views

Input Packet Drops

Currently, my Cisco 2600 router running CIOS 12.1 is experiencing packet drops on the interface that connects to the ISP. #show int fa0/0 FastEthernet0/0 is up, line protocol is up MTU 1500 bytes, ...
Charlie Sierra's user avatar
1 vote
0 answers
188 views

Slow website from one connection

One of the websites is very slow on response from one particular connection. The trace route seems to be alright (total is ~110ms) but all pages of the site take much time to load. It works properly ...
Aram Boyajyan's user avatar
1 vote
0 answers
942 views

need help to setup internet load-balancing for a small ISP

I need some help about the following problems: I want to do load-balancing for two Internet dsl connection from same isp and same speed I need to manage fail over also I want to manage up to 50 user ...
Badr uz Zaman's user avatar
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69 views

Networking Issue or SAAS Issue?

New here, first-time question! I am running a tracert to evv.sandata.com and I am seeing the following below. It appears AWS is not responding and I am getting a "Request timed out", from ...
Douglas Forsell's user avatar
0 votes
0 answers
98 views

Setup new router with SQM - Buffer Bloating solution

Scenario. I'm in Tbilisi, Georgia. I have very high ping to EU servers(100ms+) plus a huge buffer bloating problem, this test gave me the F rank: https://www.waveform.com/tools/bufferbloat I use an ...
MrVerde's user avatar
0 votes
0 answers
145 views

Website will not load for certain ISPs

My website will not load correctly for certain ISPs. I have verified with both the DNS provider and the website host that all information is 100% correct. However, certain internet providers yield ...
Diana's user avatar
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0 answers
200 views

How to check if my server's IP has somehow been blocked by some ISP?

I have an app, published on Play Store and App Store, that works via API with our webservices. Nothing fancy, really really basic stuff. Now, some customers can't use the app because it can't reach ...
bimbo1989's user avatar
  • 101
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1 answer
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PTR recored Issue

We have 2 Mail servers ( Internal and External) the External is hosted by ISPA with ip address of 62.xxx.xxx.xxx, we use to have the internet from the same ISPA, and the PTR record is already setup. ...
Okok's user avatar
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0 votes
2 answers
348 views

Losing connection to servers after 5 min (different ports)

A month ago I moved and made a new contract with a new ISP (Claro Peru). Since I switched from ISP I noticed that my connections to servers are always cut after 5 minutes of inactivity (Connections to ...
Jean Paul CP's user avatar
0 votes
1 answer
185 views

Gateway failover

I have an Ubuntu server acting as a gateway for inbound internet connections. This server shut down unexpectedly because of overheating and lost all internet connections during business hours. How can ...
Drgmrsc's user avatar
0 votes
1 answer
242 views

VPN Tunneling through Multiple NAT environment

I currently building a DIY surveillance system based off of a QNAP NAS. The NAS will store the data, control the cameras, and act as a VPN Server for external access. I've managed to get all the the ...
Jon Salpas's user avatar
0 votes
1 answer
2k views

How to diagnose source of website blocking?

When accessing sites through my ISP, certain sites don't load. The DNS resolves fine (via nslookup; also, the hosts file is fine), but then accessing them through any port times out (eg. tracert or ...
Alex's user avatar
  • 101
0 votes
1 answer
126 views

VNC ISPSystem glitches on high resolution

I am trying to perform an installation of Android x86 8.1 RC2 on VPS through the means of ISP panel, via VNC. Here is what I see in any VNC client (noVNC, VNC Viewer): Such a bug only appears after ...
reardenlife's user avatar
0 votes
1 answer
590 views

Serving images is too slow in certain ISP

I'm serving Images as part of my website for a long time now, but recently images became too slow on a certain ISP! I'm hosting on DigitalOcean with a load balancer (with http2 rule) in front of ...
Abdel Hady's user avatar
0 votes
1 answer
433 views

Putting ISP public IPs on two different firewalls

Trying to figure out if I need a router or switch for this. Nothing is yet configured, and I can still order equipment. I have incoming: Two internet connections. One (ISP-1) of which has given us a ...
Chuck's user avatar
  • 1
0 votes
1 answer
1k views

DNS changes not propagating after over a month and two changes for one specific Central American ISP

I volunteered at an event last month that helps non-profit organizations get some attention for their web needs. My organization needed new hosting. I spun up an AWS EC2 instance, we installed Apache,...
kavisiegel's user avatar
0 votes
1 answer
575 views

Cisco 1811w + dual wan failover on DHCP ISP

Ok so my setup is, I have 2 vlans currently routing through fa0 on cable internet with DHCP. I want to be able to plug dsl, also dhcp, into fa1 and have it work as an auto failover if fa0 goes down. I ...
Matt Morrow's user avatar
0 votes
0 answers
163 views

Gradual throttling total bandwidth

I have a server with a 30TB traffic allowance hosting (mostly) history images and would like to throttle one particular directory (the download image sizes) when necessary to avoid going over the ...
chx's user avatar
  • 1,705
0 votes
0 answers
474 views

HTTP webserver gateway timeout 504 only from one ISP

I have configured a nginx http webserver to serve a site on CentOS 6 Virtual machine. every things are works fine but when I connect to site from a special ISP, the site wait and after a while respond ...
Ghasem Pahlavan's user avatar
0 votes
0 answers
6k views

Fortigate - cannot ping public IP in dual WAN ISP setup

I have a fortigate 100c that is configured with 2 WAN ISP's LAN1 -------------- ISP 1 (static pub 1.1.1.1) |-FORTIGATE-| LAN2 ---------------ISP 2 (dynamic pub 10.1.1.1) I have policy routes ...
nenzki's user avatar
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0 votes
0 answers
1k views

Incoming Connections with Two ISPs and Cisco 2911

I am a relatively beginner Networking Guy and I have managed to set up a Cisco 2911 router with two ISPs (no BGP), NAT and route-maps (although I don't really understand them) to the two up links with ...
Christopher Demicoli's user avatar
0 votes
0 answers
235 views

For a typical broadband ISP, are nodes on the same subnet routed together or are they bridged?

For a typical broadband ISP, are nodes on the same subnet routed together or are they bridged? In other words, what kind of path will a packet take when going from one node on a subnet to another for ...
Tyler Durden's user avatar
0 votes
1 answer
799 views

Could an ISP selectively block .png, .jpg, .js, .css and others from internal HTTP server?

This is a bit of a specialist question as it concerns a very small embedded web server as opposed to a conventional web server (e.g. Apache, IIS) and it's more to do with the routing through the ISP. ...
Trevor Page's user avatar
0 votes
2 answers
1k views

E-mail PTR failure - Spamcannibal

My IP is on Spamcannibal list. So I can't communicate with my registered partners. To be precise I can't send e-mail to only two domain. Everything else is ok. I try to talk with my domain/server ...
Holian's user avatar
  • 1
0 votes
1 answer
434 views

Windows Server 2003: Router, DHCP, Loses internet connection

I have following setup: a windows server 2003 dedicated server with tho nics. One is connected to internet (no modem/router), and second one is connected to private network. Server has DHCP server ...
jM2.me's user avatar
  • 311
0 votes
1 answer
581 views

Old file is being downloaded from web server when browsing from client

I am facing a new strange problem while downloading files from web server. I am using windows server 2012. I will explain the problem with example. I have a text file (update.txt) in my server, to ...
IT researcher's user avatar
-1 votes
1 answer
1k views

Router doesn't have a public ip adress

I have a problem with my ISP where my router gets a different ip adress compared to my external ip adress (the router doesn't have a public ip adress). I previously setup a VPN service with EdgeMax ...
MaxK123's user avatar
  • 99
-1 votes
1 answer
33 views

site is not accessable on single ip

OUR SIDE: The website is hosted by WordPress on DreamHost server. There are not any filters in WordPress and I can't see any IP blocks on Dreamhost server. CLIENT SIDE: Client has a single internet ...
Sagar Khatiwada's user avatar
-2 votes
1 answer
111 views

How medium-sized servers are connected to the internet?

I'm curious about how the servers are connected to the internet. Suppose I develop a web application that requires multiple machines to provide services. For example, I want to host the frontend on a ...
Andrei Cristea's user avatar