A connection generally refers to a TCP/IP connection, that is established as the result of the handshake between 2 hosts.

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14 views

Rails app with nginx passenger: recv() failed (104: Connection reset by peer) while sending to client

I've searched both StackOverflow and ServerFault, but almost every Q/A is about "while reading response..." for the 104: Connection reset by peer, and not "while sending to client". This is what my ...
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0answers
42 views

Banned from SSH Centos server but can't find where [SOLVED]

For some reason my ip address is banned from using ssh or sftp. I have no problem connecting to the server using an other ip nor i have problems reaching all other services (like http, teamspeak) with ...
0
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0answers
23 views

Why would my logged public IP differ depending on the type of server (or computer) I am connecting to? [migrated]

I am writing a p2p gaming lan emulator that uses the torrent infrastructure to network peers, set up lobbies, etc. Currently, the only infrastructure we are using is the trackers (we plan to us Tox ...
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1answer
67 views

Too Many HTTP Requests from one source

We are having an issue at one of our customer sites where Tripwire is flagging events when more than 1000 HTTP connections are being individually created from different IP addresses within a span of ...
0
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1answer
28 views

MySql Clients connection timeout randomly

I have 100 PC clients connecting to MySQL over LAN. They're running INSERT querys with no particular period.Statistically, at the same time no more than 10 PCs are trying to run INSERT query. This is ...
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1answer
80 views

Zabbix Cannot Get Value From Agent [closed]

I am attempting to connect Zabbix to a host and am getting the error: Get value from agent failed: cannot connect to [[xxx.xxx.xxx.xxx]:10050]: [4] Interrupted system call I am not sure why this ...
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0answers
28 views

What happens if a machine gets a SYN/ACK packet without sending initial SYN packet?

I'm thinking of a situation where an attacker manipulates a SYN packet that was sent from A's source IP address to B. The server will receive the packet and think it's a legitimate packet, and send a ...
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1answer
12 views

Concurrent connections per IP

I need to make a few changes to a firewall configuration, but before I do I'd like to see the number of concurrent Apache connections per IP. This command produces a nice list: #netstat -ntu | awk ...
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1answer
27 views

IPv6 connections from outside the LAN are timing out; what is blocking the connection?

as I understand with ipv6 there is no NAT so every client on a network will get a different public ip address (so there is no need for port forwarding). so I checked on my network and indeed every ...
53
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5answers
7k views

I accidentaly forbid SSH connection to a remote server… What's next?

Let's say it again, we all make mistakes, and I have just made one. A brief history: I was doing some stuff on a VPS (Debian) I'm renting, when I noticed some strange behaviour. Using the netstat ...
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3answers
139 views

Can't connect computer to domain [closed]

I can not connect a computer to Server 2012 R2. the error message I receive is Note: This information is intended for a network administrator. If you are not your network's administrator, notify the ...
1
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1answer
67 views

Ipvsadm to monitor connections on a load balancer

I am working on to set up Haproxy on a load balancer with two backend web servers in the first period. The problem I am facing is to monitor number of connections to each of my web servers. I have ...
0
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1answer
39 views

MySQL Bad Handshake to MySQL Cluster behind Proxy

I have just set up a MySQL cluster using five hyperV linux boxes (2x management nodes, 2 data nodes and 1 proxy) having followed (with a bit of tweaking) the instructions here. Everything works fine ...
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votes
2answers
70 views

Website is down but only for me

I have a website that is working fine for everyone but throws an error whenever I try and access it. The web developer is saying it is a problem with my network. What should I check to confirm this? ...
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4answers
274 views

telnet cannot connect to port without firewall

If I try to connect to MySQL with telnet myhost.com 3306 I get a network not reachable error, even when I flush all iptables rules. I can reach other ports like ssh (with the same iptables rules ...
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0answers
274 views

Siege: descriptor table full sock.c:119: Too many open files

I am trying to make a stress test in my own server using siege with the following command: $ siege -c 500 myweb.com/somefile.php But I get this error: [error] descriptor table full sock.c:119: Too ...
0
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0answers
46 views

ProFTPD disconnect device

we are running a ProFTPd Version 1.34 on Debian Linux 7 Server. We have no problems to reach the FTP Server via Filezilla or even via Browser on mobile phones. But we have about 80 devices, that have ...
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2answers
41 views

How to avoid 'too many connection' error in MySQL

It often happens that when trying to load the data from the database i`m getting an exception 'To many connection'. I do not know the internal features of the database work, so i do not understand ...
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0answers
6 views

Couldn't connect to MySQL remotly without skip-grant-tables option [duplicate]

I trying to connect to MySQL remotely over a Win Server 2012 EC2 instance, to do so I'd: Enabled inbound traffic to MySQL port 3306 in the EC2 Security Group; Disabled Windows Firewall service. ...
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1answer
31 views

How to check the bandwith that is used by each connection on Apache?

I am trying to get stats on how much of a bandwidth each connection uses on Apache? I have Apache 2.4 installed on Windows Server 2008 R2. I would like to know how many users more I can add on my ...
0
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1answer
33 views

Logging client connection errors/closed connections with apache

Is there a way to log/record apache connections which are prematurely cut off by the client (either deliberately, or due to a connection error)? Short story is this: I'm working on ...
0
votes
1answer
30 views

maximum number of clients connected to the web service [duplicate]

How can I find the maximum number of clients that can connect to my web service at the same time? Is there any way to know how many clients can connect to the web service at the same time? What is ...
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0answers
45 views

Weird proxy behaviour

I recently installed a computer in a network that is behind a proxy, I configured a reverse ssh tunnel to connect to it, and tunneled the ssh connection with corkscrew to connect to a server, this ...
3
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1answer
92 views

SBS 2011: can't open web-based Sharepoint Designer

We installed SBS 2011 (Sharepoint 2010) a couple of years ago and it's running fine. We never used Sharepoint features. Now we wanted to explore Workflow features so I went to http://sites and logged ...
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1answer
55 views

closing ssh tunnel when using connection sharing without killing ssh?

I typically use ssh with connection sharing enabled; this causes any ssh tunnels I create subsequent to the initial ssh login to use that connection. Is it possible to close an ssh tunnel without ...
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1answer
236 views

Nodejs: server doesn't close TCP connections

Facing a problem in the production server running debian (7.0) with nodejs (v0.10.x) cluster where it doesn't close some TCP connections to the clients. This leads to connection drops when connection ...
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1answer
216 views

Weblogic JDBC connection pool keeps in suspended state when DB is back to normal

We have a JDBC connection pool on a weblogic 12c. When the backend database goes to offline, the pool goes into suspended state, and when the db is back online after a short period of time (say 5 ...
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votes
1answer
193 views

device vs interface vs connection under linux with nmcli [closed]

What are dependencies and relations between device, interface and connection in nmcli cmdline utility under linux? The below questions are asked in context of nmcli and networking in linux: Which ...
0
votes
1answer
80 views

How to Access Server After Cisco AnyConnect Connected?

I have bought a VPS with Windows Server 2003 and Valid Public IP a.b.c.d In this Server I have to Connect to Another Private Network with Cisco Any Connect also I have to RUN a CCProxy (http proxy ...
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1answer
788 views

iis app pool set credentials not working for specific network account

I am trying to set app pool credentials for a speccific domain account for an ASP.net MVC project on iis 7.5 on a Windows 7 enterprise server. I am using .Net version 4 and I believe this is set ...
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0answers
373 views

mod_jk losing connection with tomcat

I'm running an Apache tomcat + mod_jk 1.2.40 behind an apache web server. Everything has been setup and works properly for some amount of time since a tomcat startup (measurable in days/weeks); then ...
-3
votes
1answer
101 views

Idrac 6 internet settings enabled to connect to internet via ssh [closed]

I just installed the idrac 6 enterprise into dell r410. I insert the cable on it. But there is no connection. Green light on !! Normally when i restart the server and when I use the normal connection ...
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1answer
104 views

Is ARP Connection oriented or connectionless?

Is ARP Connection oriented or connectionless? It uses TCP, but does that consider it connection oriented?
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1answer
220 views

Named failed due to permissions and connect fail error [closed]

I'm facing a serious problem which has knocked out my server. For some unknown reason, named is no longer working, despite doing my best to remediation the issues found on the logs. I get this error ...
3
votes
0answers
291 views

TCP connection stuck in SYN_RECV state despite ACK received

My client and server are both internal machines. tcpdump on both client and server show all three parts of handshake are communicated, however netstat on server shows SYN_RECV, and on client shows ...
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0answers
124 views

Amazon AWS connection issues

I have a strange issue with my Amazon EC2 instance. I have created the following: m3.medium instance hosted in the Amazon cloud This instance runs the following a. Apache Tomcat application server ...
1
vote
1answer
124 views

windows 8 taking long time to open Mac server share [closed]

I have a machine running windows 8 on a Mac server environment. When mounting or accessing a small/empty shared folder on the network the computer connects fine. When accessing another shared folder ...
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votes
1answer
58 views

Can I use an external IP to make 2 internal IP's establish a TCP/UDP connection? [closed]

As I understood, in order to make a connection to an internal IP (behind NAT), the computer behind the internal IP have to send the request first before the other side will be able to answer it, So if ...
0
votes
1answer
46 views

Task Manager shows more worker processes than the max set [closed]

I am doing application pooling for a web application used by huge number of users and set web garden with a max of 20 worker processes. But in task manager, I see more processes than the w3wp ...
1
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2answers
417 views

Test port reachability from a remote host even though the port is not bound to a service?

I need to check whether a remote host is able to reach a specific port. At the time of test the service bound to that port will be down. The possible issues that the test would address would be : ...
-3
votes
1answer
31 views

I have a IP address with some open services. How could I contact the owner? [closed]

After having serious problems (DNS incident) I found out an IP address of a machine. Is it in any way possible to contact the owner without knowing anything else like email, domain name or website? I ...
0
votes
0answers
65 views

Cannot connect to TCP service from remote host

I have two servers running RHEL 5.8. SRV1 (10.58.192.36) has a service running on port 9002 and I need to connect to this service from SRV2 (10.58.192.42). [root@SRV1 ~]# netstat -anp | grep 9002 tcp ...
0
votes
0answers
87 views

Connectivity issues (slow response) to a remote VM via SSH

I am on a linux machine trying to Ssh into a remote Centos 6.4 server via VPN. The server often gets disconnected and response too is slow. I see the messages on the terminal once in a while: ...
0
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1answer
117 views

Mysterious Upstream Client ::ffff:81.70.140.65…changes on each error

I read the following post: nginx errors recv failed 104 ...but have a different question... I'm curious to know why there is ANY reference to this mysterious upstream source: ::ffff:81.70.140.65 ...
0
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0answers
52 views

jboss 7 connection to database vip fail

Jboss 7 is connecting to HA database with VIP. When master db fails, the HA kicks in and slave db takes over as master. Querying directly the new master db works fine. However, at Jboss level, the ...
0
votes
0answers
10 views

Connect to Cube without using Windows account

Is it possible to connect to OLAP Cube (SQL Server) without using Windows account. Currently, I need to be on the same domain in order to connect to a cube. Are there any other solutions?
0
votes
0answers
2k views

ssh_exchange_identification: read: Operation timed out

I am trying to connect to my server (Synology DS212) using ssh xxx@yyy -p 22222 -vvv but I can't and I obtain the following error: OpenSSH_6.2p2, OSSLShim 0.9.8r 8 Dec 2011 debug1: Reading ...
0
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2answers
900 views

No Ping/Telnet connection between VM

I am new in Azure and have one problem which I can not solve. I tried asking on StackOverflow, but - quoting - "You will have better luck asking on ServerFault". I want several Virtual Machines to ...
0
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0answers
258 views

OpenVPN - Http proxy - connection reset

I am dealing with a problem in OpenVPN (I think so) and maybe someone can help to sort it out. I am connecting to the internet through a HTTP proxy server (10.0.0.1:8080). As I set manual ...
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1answer
204 views

How Do I Limit the Number of Simultaneous Connections to a Network Share?

Is there some mechanism to actively refuse connections to a network share in a Windows domain environment by using some predefined conditions on the server that hosts the share (if possible)? Let's ...