All Questions
323,819
questions
0
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answers
4
views
Issue with 'delay_reject=no' and helo_restriction in postfix?
I setup a MTA with postfix I have set helo and client restrictions with the DISCARD policy. But since setting delay_reject=no I am getting this error just after connect from for some clients (don't ...
- 175
0
votes
0
answers
3
views
Impossible to allocate ip address in wifi
Hello for our network technician training, we created a DHCP server on Active Directory and created a range, that works perfectly for distributing IP addresses on my network. But our TP-link routers ...
- 1
0
votes
1
answer
5k
views
502 Bad Gateway nginx/1.10.3 error with NodeJS (Debian 9)
For a few days I have a server where I run successfully a few Web applications developed in NodeJS.
Everything worked fine until suddenly the browser started to show the error 502 Bad Gateway nginx/1....
CommunityBot
- 1
0
votes
0
answers
15
views
Application actions based on URL
I am sorry if this question was already asked, but I do not know how to frame it differently - none of my searches found something that answers this.
I am currently using Windows 11 and XAMPP, with ...
- 125
0
votes
0
answers
8
views
Windows :Multiple DNS query while ping and nslookup when 2 NW adapters attached
On Windows 11, I am looking no of DNS queries trigerred when 2adapters attached to device. To test this I attached wireshark for each ethernet(ethernet1, ethernet2). when I ran single nslookup command ...
- 101
0
votes
1
answer
53
views
Windows Server 2019 RemoteFX COM port redirection does not work, Windows Server 2012 it works
Have Windows7 workstation with a USB COM port device installed.
From this Windows7 workstation I RDP to Windows Server 2012 terminal server and all devices are redirected through RDP correctly.
If I ...
- 79
2
votes
2
answers
533
views
How to point route53 records to bucket for *any*subdomain?
I have an S3 bucket called www.mybucket.com
I have an A record: name = www.mybucket.com. It answers well with the index.html contained in the bucket.
Now I want to send any subdomain to that bucket.
I ...
- 101
0
votes
0
answers
12
views
Newbie needs to scale
We are a tiny firm right now but are fortunate that over the next 90 days we'll go from under 10 users to maybe 4/500. I'm knowledgeable enough to know that this is the time to get things right, maybe ...
0
votes
0
answers
7
views
ESXi 6.5 - Guest Mem% doesnt match with Guest Resource Monitor memmory usage inside VMs
I have strange issue with ESXi Host : in preview of VM, it shows not valid Memmory usage informations when compared to Resource monitor inside Guest OS, as example :
VM name Assigned memory / ESXi ...
- 79
0
votes
1
answer
17
views
In postfix can I mention sender access map in client restriction?
It's a question out of curiosity rather than necessity. What should happen say I place sender access map inside smtpd_client_restrictions and also place client access map in smtpd_sender_restrictions ...
- 48.3k
18
votes
4
answers
28k
views
PHP-FPM does not automatically start after reboot
I'm running PHP-FPM and Nginx, occasionally, for whatever reason, I have to reboot the server. Once the server is running again, the nginx service automatically starts, however, PHP-FPM does not. This ...
- 99
0
votes
0
answers
5
views
Tunnelblick / OpenVPN only creates 1 tun interface when connected to 2 VPNs
I have many OpenVPN connections and mostly they can be connected at the same time using Tunnelblick. For multiple simultaneous connections, Tunnelblick will create different interfaces like "...
- 101
0
votes
2
answers
88
views
HAPROXY: How to ensure all clients are connected to one server only?
I have 3 servers setup: 1 primary, 2 backups. I used the following configuration:
backend pg_production_backend
option pgsql-check user pg_user
server primary pghost.primary:5432 check on-...
0
votes
0
answers
16
views
Limit maximum concurrent ssh connections per user does not work when shell is /sbin/nologin
I have a Centos 7 server and when I limit the maximum connections per user using the config file /etc/security/limits.conf it works just fine. See below an example of my configuration in that file:
@...
2
votes
1
answer
4k
views
How to add key to global ssh_known_hosts without ssh-keyscan?
I want to add an entry to my /etc/ssh/ssh_known_hosts file without running ssh-keyscan. I tried adding the public key but ssh complains, that the fingerprint does not match.
From the sshd man page:
...
CommunityBot
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-1
votes
0
answers
9
views
How to force AD resync on ProxMox firewall version 5.2.1?
Does someone know how to force Active Directory resync on ProxMox firewall version 5.2.1 since the "pveum realm sync" command is not available yet on this outdated version?
pve-manager/5.2-1/...
- 1
0
votes
1
answer
65
views
How can I verify if file uploads are compressed?
I need to upload big files to a server (Debian 4.19, Apache 2.4, PHP) and want to make sure that compression is applied for the transport. Data is compressed from the server to clients but I cannot ...
- 1
0
votes
0
answers
11
views
How to apply an ssl certificate to a Load Balancer Listener using OCI Certificates
I'm currently working on running a small personal server using OKE and a load balancer. My problem is as follows
I attached the OCI certificate to the load balancer listener, but it doesn't work, ...
- 1
0
votes
1
answer
43
views
SSH access to my AWS EC2 container
C:\Users\javac>ssh -i "DemoServer.pem" [email protected]
The authenticity of host 'ec2-52-15-253-230.us-east-2.compute.amazonaws.com (52.15.253.230)'...
0
votes
0
answers
7
views
Apache proxy unable to reach Docker container despite port being exposed and open
I have the most basic Apache proxy setup ever which I can't get to work.
On a CentOS server I'm running a regular Apache/httpd setup which serves a few websites. Apache listens on port 80 and 443.
I ...
- 217
1
vote
1
answer
4k
views
Using RewriteRule only for a specific subfolder/project
I have an application in a subfolder "subfolder" of Apache so I can use a URL such as: https://example.com/subfolder/#/v2/login instead of https://example.com/#/v2/login.
I have the following in the ....
CommunityBot
- 1
3
votes
3
answers
2k
views
How does SSD meta-data corruption on power-loss happen? And can I minimize it?
Note: This is a follow-up question to Is there a way to protect SSD from corruption due to power loss?. I got good info there but it basically centered in three area, "get a UPS", "get better drives",...
- 164
0
votes
0
answers
19
views
Linux service constantly restarting
I have a service file mmctrl.service with the following contents
[Unit]
Description=MosquitoMax Controller Service
After=network.target
[Service]
User=mm
Group=mm
WorkingDirectory=/home/mm/
...
- 111
0
votes
0
answers
6
views
openstack fails in pci clam and cached bad data
I have openstack instance with one controller node and 2 compute nodes, our production works fine until 3 days ago, but now if we want to create instance with RTX-3090-flavor instance creating fails ...
- 1
0
votes
0
answers
69
views
Can QEMU installed on a Windows 10 host run a Windows 11 guest?
can QEMU installed on a windows 10 host run a windows 11 guest?
ok I have QEMU installed on a windows 10 machine and I want to install a windows 11 guest onto it, however I keep running into the not ...
- 109
0
votes
0
answers
7
views
What is meant by "Message sorting optimization records" in dovecot index?
Dovecot documentation here "https://doc.dovecot.org/developer_manual/design/indexes/index_file_format/#main-index" says that "Message sorting optimization records" are stored in ...
- 21
0
votes
0
answers
7
views
What is difference between uidvalidity and list index file in dovecot?
Dovecot's document notation says that uid-validity file store IMAP UID to filename mapping but it also says list.index file also store same. If it's so what is need of two files.
- 175
0
votes
3
answers
4k
views
Website inaccessible from local network, accessible from internet
I have the following setup:
-Domain environment
-Firewall
-Servers running Windows server 2012
-Web Application installed on IIS on a web server
Now, the application should be accessible from both ...
CommunityBot
- 1
0
votes
0
answers
8
views
I am running nodejs App in my main domain in the plesk does any one know how to allow the subdomain to host the nodejs app as well?
does any one know how to allow the subdomain to host the nodejs app as well ? currently I have main domain that is hosting nodejs application on the plesk , but I want to create subdomain under that ...
-2
votes
0
answers
9
views
mysql DB server automatically logging out
As we have checked mysql/error.log found below error.
4247 [Warning] Aborted connection 4247 to db: 'unconnected' user: 'unauthenticated' host: 'PKBL-DPCS-S135.insetgroup.com' (This connection closed ...
0
votes
1
answer
94
views
Freeradius and Rest Authentication
I'm working on integrating freeradius into our platform and trying to get the authentication to work via a rest api on our platform. We have the rest api and the freeradius server running in docker ...
- 227
0
votes
1
answer
12
views
How to add a default env var to all docker containers
I am trying to configure my dockerd to inject an env var into all containers that it starts.
More specifically, I need every container to use SSH for it's DOCKER_HOST and also where that host is, so ...
- 44.1k
-2
votes
0
answers
15
views
Rewriting header of ip accessed IIS server
I have server which has only port 180 > 80 and port 1443 > 443 mapped and open, I can't change this setting because of server owner. Because of that I can't setup proper dns record and I am ...
0
votes
0
answers
22
views
Configuring NGINX to emulate API in PHP
I am trying to emulate an API path to reroute to a PHP script. I'm trying the following configuration (found here), but receiving a 404.
location ~ ^/api/v1/(.*)/?$ {
try_files $uri $uri/ /v1/...
- 71
4
votes
2
answers
5k
views
List the name servers in the DNS Zone properties GUI with Powershell
I have read through a listing of all the DNS powershell cmdlets and can't believe I didn't find a programmatic way of reading the below list. Am I missing it, or is there a .NET way to do so that I ...
CommunityBot
- 1
0
votes
1
answer
45
views
How do I make `ctr image pull` always use a custom `--hosts-dir` without specifying it in the command line?
I've got a custom file in /etc/containerd/certs.d/registry.at.my.company/hosts.toml that has some configuration set up for a local registry container running on my servers. This is working fine when I ...
- 325
0
votes
1
answer
40
views
WireGuard Hub and Spoke with subnet sharing
I'm a quite happy OpenVPN user who, for security and performance reasons, decided to switch everything to Wireguard.
The main target is to be able to access the office private lan from outside. Both ...
- 1,133
-2
votes
0
answers
16
views
What will be best datastructure to be used in redis if I want faster searching?
I have a usage case where I have to store a list of strings (max size 2520 bytes response) and finally, multiple remote clients will query multiple times (meaning a high burst of requests) to see if a ...
- 21
0
votes
1
answer
20
views
Setup Reverse DNS for a VPS host on a public network
Bassically, I'm trying to revive this question that got no correct answer: reverse DNS (bind) for single ip/machine on non-private network
So, I am trying to configure my own public DNS server for ...
- 1
0
votes
1
answer
22
views
How do I login to private Docker Registry with a self signed cert using WSL2 on Windows?
I have a private Docker registry that uses https and a self signed certificate. I have this working on my OSX machine by adding the certificate to The keychain. However, I would not like to connect to ...
- 171
0
votes
1
answer
4k
views
Allow Google apps and block consumer Google accounts using squid proxy
In my organisation, I am trying to allow the Google apps account and block consumer Google accounts using squid proxy. According to this link, Google says we can do it using following steps:
Route ...
CommunityBot
- 1
0
votes
0
answers
9
views
server 2012Rd backup domain controller not communicating with PDC
I have client with a server with four vm's One is primary dc and another backup dc. There was an error generated with windows time service. The recommendation was to add/ change the logon to ...
- 1
0
votes
0
answers
15
views
Can't get a Local User Account to Run as the Identity of an IIS app pool
I am attempting to move a project forward using a local user account as the IIS app pool identity until domain trusts are established. I have tried everything I can think of to have a local user ...
- 121
0
votes
0
answers
19
views
Rewrite Location Header When Using mod_proxy
We have the following scenario we are trying to proxy requests to two backend domains through the same public address.
<VirtualHost *:443>
SSLEngine On
SSLProxyEngine On
...
- 101
0
votes
3
answers
72
views
2012 R2 Domain Controller migrate to 2022 STD
I know there are already topics of this nature on the board. I have a quick question on the 2012 R2 DC.
My setup contains three 2012 R2 Domain Controllers. One Primary, and two backup DCs.
I want to ...
- 319
0
votes
1
answer
5
views
doveadm-move : source emails are expunged but disk space not freed
I'm migrating a mailbox setup for a small office where all people are storing company emails in their own personal mailbox to a public mailbox that everyone can access. I started out with doveadm-copy,...
- 232
1
vote
2
answers
4k
views
Multiple wireguard tunnels to same server how to force different interfaces
I have multiple wan links on my router and I'd want a wireguard tunnel on each wan interface to the same server.
I started different working tunnels to the server using different destination ports, ...
CommunityBot
- 1
4
votes
2
answers
19k
views
Why do SpamAssassin and Razor2 penalize for specific domain name in HTML body?
We are an ESP provider from Czech Republic, Europe. Our clients are regular Czech companies with their own client database. Since yesterday, we have a problem with our domains used in emails for ...
- 961
-1
votes
2
answers
49
views
Seeking guidance on setting up a proxy server with DNS for specific sites
I setting up a proxy server for specific sites using a DNS server, and I am seeking guidance on handling HTTPS traffic. Here's a brief overview of my setup and the challenges I'm facing:
Objective:
...
2
votes
3
answers
980
views
Windows Server: Only allow running one concurrent instance of a program?
I am on a Windows Server 2008 R2. Is it possible to limit the number of concurrent instances of a program/an executable file for a user?
An example: I would like to prevent the users from starting ...
- 107