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Questions tagged [traffic]

298 questions
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monitor traffic at the scale of millisecond

I have several linux servers running Ubuntu 14.04, and turned them into a Spark cluster. At this point, I want to measure the network flow between the servers, at the scale of milliseconds, in order to perform some inference and analysis task, for…
user135939
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Strange traffic on my dedicated Kimsufi Debian 8.4

I own a Kimsufi dedicated server since more than one year, and recently I decided to completely re-install the OS. I installed Debian 8.4 Jessie. I installed all the updates needed, changed my SSH default port, and disabled root login. For now, I am…
Scaraux
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Traceroute / Routing of a IP

so i just wondered, how i can route the whole traffic from server A through server B, so the traceroute looks like this: Server A IP is 33.33.33.33 and Server B IP is 55.55.55.55 1: 1.1.1.1 2: 2.2.2.2 3: 6.6.6.6 4: 55.55.55.55 5:…
0x0b
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high outgoing traffic on WAN port, but small trafic on LAN port in ZyXEL router

I have VPN with two routers (ZyXEL) connecter in different places. It worked fine until yesterday, both routers have high outgoing traffic (maximum from provider). In Port statistics I can see, that LAN traffic is very low, just WAN is about 10Mbps…
Francis
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Diagnosing high Network Out (Bytes) by MySQL instance

I have an EC2 instance (r3.xlarge) with only MySQL running on it. At some points in time, this machine sends a sustained amount of information (at almost a rate of 400Mbps) for about an hour or more (in many cases), to another EC2 instance which is…
siliconpi
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How to purge roaming credentials from AD user objects?

Background Due to low-budget constraints we are using roaming credentials instead of smart cards in our environment. Problem Now we have recognized that the relevant AD user attributes became quite large, particularly msPKIDPAPIMasterKeys and…
Matthias Güntert
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how can I identify network traffic that is blocked?

I have an app that is waiting for a reply from a website but never continues. A browser page connects to the site fine so I think traffic is being blocked by something but I get no indications. I set the firewall to so me if it blocked something. I…
john D
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Server slow, but plenty of CPU & RAM

My site has gone from getting 20,000 visits/day, to 182,000 yesterday, due to being featured on a number of popular sites. The site has become somewhat unresponsive. Many requests will lead to a timeout. Yet there is plenty of CPU & RAM available.…
Kohjah Breese
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Xen bridge - block traffic from port range - iptables / ebtables

I use Xen with bridge interface : - eth0 - viifbr0 - Name of VM interface : vifv10XX.0 Do you know if it is possible to block output traffic from source port range for a domU please ? If yes, can you say how to do that please ? I tried with iptables…
Puma
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Are some SSL certificates able to handle more traffic?

I had a free SSL certificate that was working fine when my site had lower traffic - but the traffic has increased, and now users frequently receive errors establishing a secure connection. Some of these are fallback errors, and some just say error…
Jonathan Basile
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Ubuntu server close connections unexpectedly after multiple downloads

When I connected to Ubuntu server via SSH connection and run script which downloads a lot of images, its quitting ssh connection after few seconds with error: "Write failed: Broken pipe". Then I can reconnect to server easily, but server cannot…
user3434212
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How can I create routes between two separate LANs

I have a ASUS RT-AC66U with merlin firmware, how can i create a connection between 2 different subnets, whitout using Vlan's ? My Server subnet is 10.10.1.0 255.0.0.0.0 Asus router and client subnet is 192.168.1.0 255.255.255.0 is it necessary to…
Bendo1984
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Random spikes of high ingress traffic. What could be the cause?

I understand that this is rather a generic question but wanted to see if you all could offer some good feedback. Our business has three locations, one in the West Coast, two in the East Coast. Our two East Coast locations seem to experience random…
vpaterno
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Apache Load Balancing And Network traffic Flow

I am using apache load balancing to load balance web requests to various other nodes, the problem I am having is during uploads and downloads, all the traffic is also being routed through my load balancing node, which is also the node serving up…
Daniel
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Getting lots of traffic from russia to an unpublished site

I am currently building a website. Currently nobody knows about it but it is already reachable for testing purposes. Now I saw, that I get a lot of traffic from russia (Its a german website hosted on google app engine). The traffic is pretty…
jan
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