Questions tagged [traffic]
The traffic tag has no usage guidance.
292
questions
0
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0answers
39 views
Windows does not respond to IP
I currently have the following problem: We currently have a cloud server configured to accept connections via a remote Site to Site tunnel.
The connection is established, and the traffic from the ...
2
votes
1answer
69 views
Why is my server using a well known port as source port
Is it normal that my server is requesting 8.8.8.8 dns with 22/udp as source port? How can i get it to use unregistered ports only
1
vote
0answers
26 views
Traffic won't go through Remote Router
I am currently trying to deploy a Server which is supposed to connect via a deman-dial in connection to a different companies network.
The demand dial in connection has been set up on Windows Routing ...
0
votes
1answer
38 views
how to limit traffic usage per user?
we have a server with four users with limited 60TB in/out traffic per month, but we're not splitting the cost evenly and we are wondering if it is possible to limit traffic for each user, based on his ...
1
vote
0answers
58 views
Iptables Forward All traffic to different interface except local inter-lan
I have Two LAN
Local LAN: 172.30.30.0/24 with gw 172.30.30.254
Remote LAN : 192.168.2.0/24 with gw 192.168.2.1
both lan can communicate and ping each other devices.
i have introduce new machine 172.30....
0
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0answers
24 views
Centos 7 server traffic blocker
Sometimes my website is lot of traffic and looks it is very slow. Log details can see someone ip address do lot of traffic to server. I need reboot my server so speed come back to normally.
It is ...
0
votes
1answer
46 views
Are firewall logs filled with incoming SSDP requests typical for networks with a Windows 7 box?
While reviewing firewall logs that were sent to me from a Windows 7 box (the box is not a server) on a tiny network, I saw thousands of incoming SSDP UDP entries. The SSDP entries were nearly ...
0
votes
1answer
104 views
Can missing HTTP referrer's identify web crawlers?
I am currently trying to analyze the traffic of a website.
Besides specifics regarding the requested resource and timestamps,
the tracking system only provides the request's HTTP referrer.
In most ...
0
votes
0answers
32 views
Can I route traffic to a connected VPN based on a given hostname?
The company I work for (small startup) has setup a VPN to add an extra layer of security to the services we connect to (say, for instance a Wiki). We, the employees, work from home and connect to the ...
0
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0answers
32 views
BigBlueButton getting unusaul traffic
We are running a bare-metal server which can handle 400 concurrent video conferencing users. We are using BigBlueButton application for video conferencing. It was running smoothly for the past 6 ...
0
votes
1answer
47 views
Cost-wise, what's the best approach to hosting a very high traffic server?
I have a server that generates a high traffic amount from unique content (live video chat), and need to be able to handle UL traffic of about 500-1000 TB per month, but have relatively low CPU needs (...
1
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0answers
38 views
How can I get the current network in/out values of any NIC of a VMware ESXi host server?
I am aware that IF-MIB provides input and output values for any NIC of a target device via SNMP. Recently a sysadmin compared the values of a specific NIC of an ESXi host server in our VCenter with ...
0
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1answer
33 views
What is this kind of continuous traffic generation against production called?
Traffic to our service is not entirely predictable. To help keep the service slightly over-provisioned and to provide advance warning of any degradation resulting from an increase in traffic, we ...
0
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0answers
57 views
How to Route traffic using AWS ALB Based on Dynamic wildcard subdomains
Is it possible to use the application load balancer to route traffic based on the value of a subdomain that is registered as a wildcard in route53 ? What i mean is that subdomains are going to be ...
4
votes
1answer
1k views
Where are nftables counters logged/stored, and how long do they persist?
I'm attempting to track the total data being transmitted from a specific set of IP addresses (both IPv4 and IPv6) using nftables with a named counter on the rule. My goal is to be able to track this ...
0
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1answer
27 views
Can I limit the scope of ntop to only monitor a specific connection?
I need to be able to track client data usage between their VM and an S3 compatible object storage bucket (accessed via https). I've installed ntopng community edition on the VM and right now it's ...
0
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0answers
36 views
Internet packages went crazy
So... I have a router (wireless, ASUS RT-N18U), connected to 4 pcs via cable and 1 tablet wireless.
After I noticed some performance drops in my network speed, I checked the traffic manager. The ...
0
votes
1answer
121 views
Can PRTG monitor IP traffic?
We often use MRTG For Windows to monitor interface traffic.
Now there is an additional requirement: can I use MRTG to monitor IP traffic? If the 10.10.10.0/24 goes through the interface, can I ...
1
vote
0answers
25 views
Monitor Windows Server network data transfer [duplicate]
I would like to monitor the amount of data transferred (Network Out) in a Windows Server. The traffic is composed mainly of files downloaded from IIS.
Is there some software or Windows Feature that I ...
1
vote
1answer
3k views
Is there a way to listen to all traffic on my router, using e.g. Wireshark or tcpdump?
I have a crazy stupid problem driving me to an early grave and I'm trying to trouble shoot what the problem is.
Is there a way to listen to all traffic going through my router, including dropped SYN ...
0
votes
2answers
50 views
Does me hitting the serverfault site during routine maintenance cause the server/sysadmin team issue?
Not sure if this belongs here, but had the thought while trying the hit Stack Overflow during routine maintenance.
Does me hitting stackoverflow.com when its down cause issues on the servers? If ...
1
vote
1answer
738 views
Monitor all requests and responses originating from XAMPP's apache server
I am using Windows 10 and XAMPP to do local php development. I need to capture traffic originating from the apache server XAMPP uses but I can't figure out how. I'm using Fiddler and I can see my ...
1
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0answers
33 views
many connections to one of our website
We are hosting multiple websites with Nginx as an SSL terminator. All traffics are proxied through Nginx to backend servers.
There are many connections to one of our websites, netstat shows:
# ...
0
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0answers
34 views
Strange (mail related) traffic on my server
I'm noticing strange traffic on my webserver which is around 50kbps constantly. Doing a (few seconds worth of) tcpdump on the specific ip address, I get this (pardon the huge list):
09:33:02.385238 ...
4
votes
1answer
381 views
Using tc to decrease bandwidth to a specific destination address
I am trying to find the shortest path between two hosts H1 and H2 using Dijkstra code. Setting a condition in one of the switches on that path.
the condition is: if the packet sending to H2 then ...
0
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0answers
22 views
Configurable Stateful Traffic Generator Advice
I need a traffic generator tool which I should be able to configure followings;
Number of Packets
Number of Sessions
Number of TCP, UDP packets
Average number of packets in a session
Average packet ...
0
votes
1answer
745 views
Unusual hits in Apache log for localhost site
I have an Apache 2.2 webserver running on Windows 7 with six virtual hosts set up.
Domain name A points to ?:/.../urls/1/
Domain name B points to ?:/.../urls/2/
Domain name C+D point to ?:/.../urls/3/...
1
vote
1answer
717 views
Analyzing traffic by tcpdump between HAProxy server and mariadb
I was testing tcpdump too see the traffic between HAProxy server and mariadb server. These are the results:
23:07:22.328958 00:0c:29:a9:28:a8 > 00:50:56:b0:e0:ea, ethertype IPv4 (0x0800), length ...
0
votes
1answer
389 views
Route traffic to the internet through router and Mikrotik firewall
I would like to request your help to understand whether my diagram is correct, at least conceptually. Im trying to set a network environment from almost scratch.
We have a fixed IP provided by ISP. ...
0
votes
0answers
106 views
Establish VPN connection from a client behind a Debian router
EDIT : My searches leaded me to GRE packets : they seem to be exchanged on IP port (not TCP one) 47. It seems to be quite painful to handle it with iptables. So question become : how can I transmit ...
1
vote
1answer
63 views
Traffic drop after HTTPS Magento
we have a Magento store, that we switched to https. Now 2 weeks after, we got a drop about 30%... What could be the cause?
I followed every step that was recommended.
I requested a reindex via search ...
0
votes
2answers
213 views
Weird traffic on all interfaces simultaneously. (Linux)
Every now and then, I check my munin graphs on my production server to see if there's anything out of the ordinary going on. Today I noticed a strange thing. Identical traffic spikes on all (8) ...
1
vote
2answers
816 views
Machine connected to a vpn not reachable anymore from the outside
My raspberry is connected to my lan network 192.168.1.0/24 and it has a static ip. From the outside I can reach it by opening some ports on the ISP router. I have installed an openvpn client on it ...
1
vote
1answer
54 views
TC- HFSC : Can we have TC rule to set classes with minimum guarantee, but no maximum limit?
Can we set a rule where i can specify that my particular traffic will get minimum b/w no matter what, but no max limit if bandwidth is available.
Eg : I have 20 mbps line.
i want to set minimum 5 ...
2
votes
3answers
5k views
how to prevent image hotlinking in nginx?
I am trying to implement image hotlink protection problem in nginx and I need help. I have a huge issue of my site's images being submitted to social networks like StumbleUpon with a direct link like
...
1
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0answers
102 views
How to find out what causes excessiv incoming traffic?
On a simple webserver configuration (CentOS 7) with nginx/apache (reverse proxy setup) I have a lot of incoming traffic on one NIC (eth0).
1. Is there a way to find out what causes it or "where it ...
0
votes
1answer
524 views
Squid bandwidth control with both source and destination
let's say I have three subnets: 192.168.0.0/24 with 100 mbps uplink 192.168.1.0/24 with 100 mbps uplink 192.168.2.0/24 with 500 mbps unlink
I need to limit the bandwith against example.com so they ...
1
vote
1answer
77 views
how do I tune for one-day-a-year traffic [duplicate]
I run a site as a service for the statewide high school swimming community. I do this for love of the sport, so I can't spend a ridiculous sum on hosting, etc. Nor do I need to - except for one day a ...
1
vote
1answer
160 views
Why do I have a very high ARP traffic while running linux 4.10.13 with docker 17.09.0-ce?
I have a linux machine set up with docker that is running around 40 containers.
I've noticed that the ssh connection feels really slow and all externally available services are laggy.
On the ...
1
vote
1answer
296 views
tcpdump - how to track the source of requests made with ephemeral/dynamic ports
I'm trying to identify the network traffic between multiple backend microservices running on the same server. (they make some rest http calls to each other)
Unfortunately, when i use tcpdump, the ...
0
votes
0answers
137 views
OpenVPN not redirecting all traffic to VPN tunnel when local network is 192.168.x on both sides [duplicate]
I've setup a OpenVPN server using tun and udp and enabled the options for redirecting all internet traffic and pushing lan to clients.
In the HOST NETWORK The OpenVPN Server is configured to dish out ...
0
votes
1answer
1k views
how to scale a high traffic server? [closed]
I'm very confused on techniques for scaling servers
Say you had one high traffic server running on one computer with one 12 core CPU, and one server for a database.
For a while that would work, but ...
1
vote
1answer
5k views
Forward Between interfaces On Mikrotik
im having a trouble
ive a mikrotik router with 2 interfaces up ( let's call lan1 and lan2 )
Lan 1 has the IP 192.168.100.1
lan 2 192.168.0.32
Lan1 the other side of the wire goes to a cisco wich IP ...
0
votes
3answers
427 views
Current Network Load on windows/linux
Is this possible to know via command line the network load on remote linux/windows machine . Like we can get cpu load i.e. cpu is 75% used.
1
vote
1answer
18k views
Mikrotik - Add second WAN IP and route specific traffic
After 20 pages of SO results about Mikrotik and some more google results, I'm come here, down on my knees to request some enlightment.
I have a network with static IP and some public IP (248 mask).
...
0
votes
0answers
102 views
How to display traffic information in a parsable format?
tcpdump is my go-to tool to analyze traffic (together with Wireshark when I want an easier review of the pcap file).
This fantastic tool fails however to deliver a predictable and easy to parse ...
1
vote
0answers
402 views
Netsh trace vs PEF trace cmdlets vs NetEvent cmdlets
I am playing with capturing my network traffic and came across two different MS commandline tools that allow doing this:
a well-known netsh tool, recently equipped with powerful capture switch
a ...
1
vote
0answers
23 views
Can php+mysql scale to handle 5000 request per second? [duplicate]
I have web application build with php and mysql, and I except 5000 requests/sec in the first 6 months. and I register a dedicated server with CPU intel Xeon 4 cores 3.3GHz, 16G ram, Uplink 1000Mbps, ...
2
votes
2answers
1k views
Process names in MS Message Analyzer
I am trying to set up the Message Analyzer viewer exactly like it is explained in this reference, but instead of steady process names I got some weird numbers, both in ProcessName and ProcessID ...
-1
votes
1answer
84 views
Connect two VM's in a data center
I asked my hosting provider if I can use internal data traffic over http between two virtual machines I run with the same provider.
The short answer was, that this is not possible and the machines ...
