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

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1answer
112 views

AT&T Business Class Internet Router Options [closed]

I have a situation where AT&T seems to be very uncooperative in their selection of modems (routers) for their business class DSL service. They essentially gave us only two options for modems ...
29
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4answers
2k views

Our wi-fi at work is ridiculously slow, will adding more range extenders improve it?

At work, we have two wireless networks (e.g., Work1 Work2); the Work2 is used downstairs and Work1 is used upstairs. However, both are notoriously slow. The connection is better when we are wired in, ...
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2answers
61 views

Using dual isp and static ip [closed]

what are the options to increase/backup bandwidth of a load balanced web farm gaining bandwidth from more isps? What are hardware/ip requirement to benefict from the 2 lines? ...
0
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1answer
234 views

One DC, two subnets, two ISP connections

I got a problem configuring my company network. The situation is difficult because there are 2 companies with two ISP connections but using the same file server. No security or administrative tool was ...
0
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1answer
292 views

Using a CIDR range as a Routed Subnet?

I have a /29 subnet assigned by my ISP, with an SonicWALL office router and a Cisco voice router hooked up to a 'net-rail' of sorts with untagged VLAN switch ports connecting my ISP router's output ...
2
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1answer
122 views

Conceptual: Reselling ISP services (vISP?) [closed]

Hello I am trying to understand how some "wifi"/vISP companies work. I do hope this is the appropriate forum/site for my question. I'll start with an example: Lets say you are at an airport and there ...
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vote
3answers
291 views

Mail bouncing back

I am getting a lot of mail bounced back mails. The bounced message says: We cannot accept email from IP 213.42.234.186 without a DNS PTR record. Contact your ISP/HSP to set up a PTR record for ...
0
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1answer
192 views

Datacenter ISP wants to assign an IP range to an existing ip address that we already use

I have a question about the setup of our data center regarding a new IP range. The situation is as follows. we own/use a range x.x.x.x/28 we got it already from our data center. we have 16 addresses ...
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2answers
51 views

Can ISPs learn customers ADSL modem brand? [closed]

Can ISPs learn customers ADSL modem brand by any means?
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4answers
2k views

Is a short DHCP lease from my ISP likely to cause problems?

I'm wondering if having a short DHCP lease is likely to cause any issues, such as: Dropped VoIP calls Dropped VPN connections If so, could you explain why?
2
votes
2answers
86 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 ...
2
votes
0answers
235 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 ...
0
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2answers
99 views

Find the WAN address range

I'm trying to find the WAN IP range for a network on another location. When I do a tracert on the LAN gw, the last hop is the adress is 79.161.2.255, This is the ip range belonging to the ISP, but I ...
0
votes
1answer
330 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. ...
0
votes
1answer
576 views

Services decide to shutdown from time to time

I've a debian squeeze server with nginx, php5-fpm and mysql. All this services from some point started to shutdown at random time. And they not seem to crash or something, syslog: Feb 14 14:02:14 xxx ...
1
vote
1answer
2k views

Fail-over VPN with two ISPs and Cisco ASA 5500 Series

We have a couple of branch offices that need to connect to a main site. We plan to use Cisco ASAs 5515 to establish VPN connections. We would also like to have 2 ISPs at each location to make the ...
-1
votes
1answer
668 views

How to find out why website is not accessible? [closed]

I cannot access a certain website. There are two possible reasons: The block is on the ISP side. The block is at the website. Is there a technical way to figure out which of these are causing the ...
0
votes
1answer
49 views

Bandwidth Aggregation [duplicate]

I have two ILL connections of 2 Mbps from different ISP's. How could I merge both the connections to get the merged bandwidth. Also I want to give the single range IP address like : 192.168.x.x to my ...
1
vote
1answer
200 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, ...
1
vote
1answer
78 views

Server is pingable on some ips but not on others

We have comcast business class internet with 5 static IPs. 4 out of 5 of them are assigned to a server that sits right behind the smc. The smc has DHCP disabled so it should be in pass through mode. ...
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0answers
105 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 ...
1
vote
3answers
246 views

Several border firewalls in the same network [closed]

I'm currently analyzing the consequences of multipath connections for the firewalls. In that context, I'm wondering if it's really uncommon to have several firewalls at the borders of a network to ...
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votes
1answer
181 views

Bypass ISP Block [closed]

is there anyway I can bypass ISP block to access website? I'm aware of proxy online but the flash video cannot play. I tried using open source dns but it seems to still use ISP's proxy.
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votes
1answer
57 views

SPF record for sending emails

The website is under our server with the domain: xxxx.org.il the client email is xxxx@yyyyyy.co.il the email they get is from a third party the email we sent from the website are trough one of the ...
0
votes
1answer
76 views

Providing reverse records for records that map to ISP IP

I have been instructed to use my ISP ip (as a temporary fix for mapping my name server and domain records as my router dishes out rfc 1918 adresses to devices in my network where I am running an ...
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1answer
172 views

Diagnosing WAN performance & peering issues without a second ISP uplink as a comparison?

Background: I am able to access Twitter & Serverfault from work (using Level3) with no problems. However when I use RCN I get crummy service and am not able to load the page. Page reloads ...
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0answers
311 views

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 ...
0
votes
2answers
623 views

What networking hardware do I need in this situation (Fairpoint [ISP] “E-DIA” connection)? [closed]

Right away you'd probably want to say, "Well just ask Fairpoint." I've done that, a number of times in as many different ways I can phrase it and just keep hitting a brick wall where they will not ...
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votes
1answer
62 views

Connecting two IPs like an URL [closed]

I haven't found answer anywhere, so here comes the question. My ISP connected me to a router with thousands of other clients, so my public IP is the same as many others. And I want to make a small ...
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votes
3answers
121 views

How drastically can a public IP change?

On ISP level, is it commonly limited to some subnet mask? Is it possible or rare for an ISP to randomly change an IP's first 2 bytes? Just as a bit of backstory, I'm trying to deter users from ...
0
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3answers
50 views

Timeouts on a website - tech support says the fault must be local to me [closed]

I try and access a webpage, http://billing.webhosting.uk.com, and almost always get timeouts. I contacted their tech support and they said no one else has reported issues, and that the issue must be ...
2
votes
0answers
46 views

How normal are remote connection faults and what do they mean? [closed]

Quick background: I have been having a lot of connection issues with my home network. I finally got my ISP to understand and after them checking some of the problems outside of my home I've gone from ...
0
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1answer
5k views

PPPoE Connection : “Generic-Error ”RP-PPPoE: Child pppd process terminated"

I have 2 Ubuntu 64-bit Virtual Machines installed on Virtual Box.Their name and ip addresses are given below.I am trying to establish PPPoE connection between the two machines. nas ...
1
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1answer
2k views

IPSec VPN using ZyWALL IPSec VPN Client: unable to connect from some providers

I'm trying to configure an IPSec VPN to one company from my home. The company has SANET internet service provider. I was able to create a VPN connection from another company that has the same internet ...
1
vote
1answer
104 views

ISP Redundancy Hardware

I've tested Microsoft TMG 2010 to load balance my two DSL lines and it works fine. Can I expect the same level of results and security to be achieved with a less expensive firewall appliance?
-1
votes
3answers
807 views

Does SSL encrypt the IP [closed]

I am building a personal server. I want to be able to access this server from anywhere, and I don't want this server to get blocked. It is my understanding that HTTPS encrypts my traffic, but I also ...
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votes
3answers
199 views

How to become an ISP [closed]

well cutting to the point... I want to be able to provide internet to rural areas of my country so they can too gain acces to internet for free. I was wondering what I need to start small, like ...
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votes
1answer
53 views

Can ISPs see which IP that has been assigned to a customer in each others network? [closed]

Is there some sort of shared knowledge between ISPs that make them able to see which customer an IP has been given to, no matter which ISP the IP belongs to? I.e. is someone that is an ISP able to see ...
2
votes
1answer
108 views

Only a small number of websites accessible [closed]

My ISP had some network issues today, and these manifested as a very strange problem. For some reason, the only websites accessible were those belonging to the ISP and to Google. However, all sites ...
2
votes
3answers
555 views

Find ISP/IP address by geographic location?

I'm trying to find an ISP or IP address by geographic location, Is this possible?
1
vote
1answer
96 views

Determining the State of a User using their Hostname

Not sure if this is the right SE site. I figured this question doesn't belong on SO, but if you think it doesn't belong here either, I apologize. I've been looking into determining the location, ...
1
vote
2answers
4k views

ISP login, MAC spoofing, WiFi and multiple devices

I have a Tikona Digital Broadband (WiMax based) Internet Connection which allows limited number of devices to be connected at a time and also requires that the users login with username and password ...
1
vote
1answer
1k views

Load balancing ISPs on Ubuntu Server

I have a Dell server with Ubuntu 11.10 Server installed on it. The server has 3 Ethernet cards eth0, eth1 and eth2. I have two ISPs say ISP1, ISP2 eth0 has a public IP (provided by ISP1 - we require ...
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votes
2answers
55 views

What is a DSLAM5048G? [closed]

My local internet provider is talking about DSLAM5048G. What is DSLAM5048G ?
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3answers
276 views

Bizarre Site Slowdown for Some Users with .htaccess Directive

To protect my website on a shared hosting plan, I added this to my .htaccess file: <Limit GET HEAD POST> order deny,allow deny from .ru deny from .cn deny from .in deny from .de deny from .cz ...
1
vote
1answer
221 views

Are ASNs tied to one location/router/physical point?

I am trying to understand how BGP works, and is looking at ways to identify if my ISP is having bottlenecks/slowdowns/dos attacks at thier upstream ISPS. I have a bunch of ASN numbers that I can ...
-1
votes
1answer
1k views

Stealing internet by changing MAC address? [closed]

OK - I have a static IP - and I have been on the same provider for years - its a wired network (a cable goes directly to my network card) - and the cable is connected to a switch on a pole in the ...
1
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0answers
653 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 ...
0
votes
1answer
319 views

Need to configure Nortel SR1004 router for new Internet Connection

I'm trying to prep for a new fiber circuit that is being installed in our office and I'm having difficulty finding much documentation on the Nortel SR1004 router. The router currently is used for 3 ...
6
votes
7answers
15k views

Changing Servers - Redirect to new IP = No Downtime?

I am changing servers of my website. The IP of old server cannot be moved to the new one. To have no downtime I am planing to do the following, please someone confirm it will work: Setup the new ...