Server Fault Stack Exchange
Server Fault Stack Exchange

Questions tagged [connection]

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

A connection generally refers to a TCP/IP connection, that is established as the result of the handshake between 2 hosts. But can also refer to the establishment of end to end connectivity of the underlying link layer, or a database connection, or some other data-orientated communication that proceeds after an initial negotiation phase.

757 questions
0
votes
0 answers

ssh connection refused for Google Cloud Platform instance

I am trying to connect to my Google Cloud VM instance through SSH. I didn't have any problem before I mounted a new 500GB zonal persistent disk and even then I was able to ssh and format the disk and use the GCP instance. I stopped my instance…
Mona Jalal
  • 433
  • 2
  • 5
  • 13
0
votes
0 answers

Even though SELinux, firewalld, iptables are disabled on my VPS "curl: (7) Failed connect to ... Connection refused error"

I rented a KWM VPS storage server (CentOS 7) and I can access it via SSH and SFTP. But I can't do anything with it because it refuses everything. I didn't install anything on it, didn't change any config, havent done anything. Fresh OS…
sepulchre
  • 1
0
votes
0 answers

No valid IP addresses found for subdomain with certbot

I am currently trying to set up an email server, and recently stumbled over getting a SSL certificate from Let's Encrypt in this question and realizing it isn't necessary if I don't have a web server, and from the accepted answerer's advice can…
sangstar
  • 53
  • 1
  • 7
0
votes
1 answer

Customizing Cognos 11.1.6 Connection Portal

Previously in Cognos 10 you could customize the connection portal by adding a company logo and/or fonts and colors. These settings could be changed by editing the banner.css file on the gateway web server and editing the system.xml file on the app…
jrd1989
  • 698
  • 15
  • 48
0
votes
1 answer

Network settings to execute webapplication performance tests from Windows Server

Web applications needs to be tested from a Windows Server 2012 R2 machine. Performance tests are executed with JMeter 5.3 on 300-400 threads. During test execution, following errors are coming in JMeter, 1-2 per seconds after 20 seconds of test…
plaidshirt
  • 261
  • 4
  • 12
0
votes
1 answer

Common reasons for refused connection

When you try to access a HTTP server (e.g., www.example1.com) and the connection is refused, what could be some common reasons at the server end?
Academy 113
  • 1
0
votes
0 answers

I can ssh from host1 into host2, but on host 2 I seem to have no connectivity to the network (no ping, no dns, nothing works)

I assume it's related to a bad configuration on host 2 because a 3rd host plugged into 2'socket works fine. This is all wired in the same subnet with a switch in between. 'ping' produces 100% packet loss. 'arp -a' sees systems in the neigborhood…
Steffen Löffler
  • 1
  • 1
0
votes
1 answer

how to do scp in linux

I am getting following error while doing scp, what could be the reason? [~/workspace/xr-dev/call-home/core/src] /usr/bin/scp myfile.c host2:/scratch/shirohua/ shirohua@host2's password: usage: scp [-12346BCpqrv] [-c cipher] [-F ssh_config] [-i…
Rajesh
  • 1
  • 4
0
votes
1 answer

connect Crystal Reports with JDBC to PostgreSQL

I want to connect Crystal Reports (2016, Support Pack 8, version 14.2.8.3426) to a PostgreSQL 12 database. Using JDBC. The database is on my local computer, on port 5433. My database name: ogc which is in public schema. I have downloaded the…
Maas
  • 1
0
votes
2 answers

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 ports 20, 22, 5432, 3306). This happens on my…
Jean Paul CP
  • 111
  • 1
0
votes
0 answers

Rekeying denies protocols/NAT issue or config?

I'm using strongswan to connect to a MAC server using IKEv2/IPsec configuration. The server uses the proposed algorithms to establish the SA and everything works great. Upon rekeying however, the server denies the proposed algorithms and reverts to…
ToxicTech
  • 1
  • 4
0
votes
1 answer

Server not connecting to the internet on new CentOS install, but ethernet is connected?

In the past, whenever I have set up a new install, I haven't had to configure the IP manually, because the IP configures automatically. Not so in this case. This time around I took a new server and plugged it in and installed CentOS, but on boot IP…
user250795
-1
votes
1 answer

Connection to server blocked for no reason

I have had a VPS in NL for the past 5-6 years and it's been working great. Now one day I suddenly can't access/ping/anything the VPS from my home connection (tried different computers) The confusing part is that accessing the server works great when…
binnathon
  • 1
-1
votes
2 answers

how to get file download connections on linux

I have a site with video content (mp4 files). When people are watching videos, they are downloading video files from my site. I want to know the number of the active connections via the linux terminal. They are probably TCP packets on port 80.…
KoSMoS
  • 99
-1
votes
1 answer

syslog for netstat to get no. of connection from each IP range

I have a server which keeps on receiving request from two other servers from different IP ranges. I need to know how can I setup a cronjob which keeps on checking number of connection made by each server every second and keep on updating the result…
manish sharma
  • 1
1 2 3
…
50 51