Running Rsnapshot Remote Backup Script on a non-standard ssh port

Use rsnapshot to back up a remote host with a non-standard ssh port (: 444)

Configuring rsnapshot.conf:

ssh_args        -p444
backup  user@domain:/data/location/       vps2/site/ 

D & # 39; agreement, no problem on port 444 for a "normal" backup.

The problems concern the execution of backup_script:

backup_script   ssh user@domain "/scripts/myscript" Unused/
OR
backup_script   ssh user@domain "/scripts/myscript" Unused/ +ssh_args=-p444
OR
backup_script   ssh user@domain "/scripts/myscript" Unused/ +ssh_args=-P 444

KO 255 ​​error, the command is executed on port 22 (+ ssh_args = -p444 or -P 444 seems ignored)

backup_script   scp -r -P 444 user@domain:/tmp/rsnapshot/mysql/ /c/snapshot/tmp/        dump/

D & # 39; agreement, no problem with scp on port 444

Any idea about how to configure the port: for running ssh script backup_script? Thank you

How to limit the connection to the port

How to limit the connection to the port | Talk Web Hosting

& # 39;);
var sidebar_align = & # 39; right & # 39 ;;
var content_container_margin = parseInt (& # 39; 350px & # 39;);
var sidebar_width = parseInt (& # 39; 330px & # 39;)
// ->

  1. How to limit the connection to the port

    Hello
    Is it possible to limit the number of connections that each IP address can open for the port or service?
    as the connection limit to port 2082 or cpanel service … etc.


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linux – How to use OpenConnect without blocking port 443?

I've migrated a Windows 10 machine to Ubuntu.

On Windows 10, I connected to a Cisco VPN through the Cisco AnyConnect Client. It worked well and m & # 39; s allowed to use the port 443 by being connected to the VPN (HTTPS browsing, reading emails, etc …).

If I'm not mistaken, this should to be bound to the Cisco AnyConnect Client try DTLS on UDP by default (with a fallback on TCP in case it does not work).

I connected to the same virtual VPN private network of Ubuntu with the OpenConnect Clientwho should behave the same way.

It works well, but when the VPN is enabled, the port 443 is blocked (if I try to browse or read emails, it hangs).

I tried to change the DTLS port of 443 at 10443:

$ sudo openconnect -u myuser@acme.com --dtls-local-port=10443 vpn.acme.com

but I do not know how to read the result:

POST https://vpn.acme.com/
Connected to 11.22.33.44:443
SSL negotiation with vpn.acme.com
Connected to HTTPS on vpn.acme.com
XML POST enabled
Please enter your username and password.
POST https://vpn.acme.com/
Enter your one-time password (OTP). If you do not have an OTP, you must register an authentication device in your OneLogin user profile.
Response:
POST https://vpn.acme.com/
Got CONNECT response: HTTP/1.1 200 OK
CSTP connected. DPD 30, Keepalive 20
Connected as 10.10.25.54, using SSL, with DTLS in progress
Established DTLS connection (using GnuTLS). Ciphersuite (DTLS1.2)-(ECDHE-(null))-(AES-256-GCM).
Unknown DTLS packet type f9, len 16

It seems like it turns 10443, therefore the 443 from the previous output should refer to the handshake only (and not to the UDP connection):

$ sudo netstat -peanut | grep 10443
udp        0      0 192.168.2.48:10443      11.22.33.44:443       ESTABLISHED

he still blocks all traffic on 443, although.

How can I prevent the OpenConnect VPN client from isolating my entire computer?

firewall – How to close port 445 (Apple Time Capsule smbd)

My default Apple Time Capsule configuration has port 445 (Apple Time Capsule smbd) open to the world. Online port scanners (shodan / detectify.com) show me that. What is a bit worrisome is the version "SMB Version: 1" and I do not need to share files with the world via SMB.

Is it possible to disable this and how could I do it?

Can Airport Utility do it?

Networking – No connection with an open port in a single firewall (UFW) on a local network

My settings on a small server are like that

 $ sudo ufw status
Status: active

To                         Action      From
--                         ------      ----
22/tcp                     LIMIT       Anywhere                  
22                         ALLOW       192.168.100.0/24          
90                         ALLOW       192.168.100.0/24          
31337                      ALLOW       192.168.100.0/24          
3438                       ALLOW       192.168.100.0/24          
9000                       ALLOW       192.168.100.0/24          
9090                       ALLOW       192.168.100.0/24          
445                        ALLOW       192.168.100.0/24          
8200                       ALLOW       192.168.100.0/24          
1900                       ALLOW       192.168.100.0/24          
22/tcp (v6)                LIMIT       Anywhere (v6)          

The device I want to connect to the server uses port 3438 and has the IP address 192.168.100.69. The server has the IP address 192.168.100.169. I run a second server that is almost identical and there are no problems connecting the device with the same settings.

I can connect to the server using a graphical user interface with port 9000. The service on the server I want to connect to is active and running. (This is a logitechmediaserver.) So, it's just port 3438 that still seems stuck.

/var/log/ufw.log looks like this:

Sep 10 08:43:22 RPi3 kernel: (59546.635454) (UFW BLOCK) IN=eth0 OUT= MAC=b8:27:eb:3d:f7:ef:00:04:20:1e:1e:98:08:00:45:00:00:2c:2d:ea:00:00:40:06:02:4$
Sep 10 08:43:33 RPi3 kernel: (59557.638106) (UFW BLOCK) IN=eth0 OUT= MAC=b8:27:eb:3d:f7:ef:00:04:20:1e:1e:98:08:00:45:00:00:28:2d:fb:00:00:40:06:02:3$
Sep 10 09:13:32 RPi3 kernel: (61356.620129) (UFW BLOCK) IN=eth0 OUT= MAC=b8:27:eb:3d:f7:ef:00:04:20:1e:1e:98:08:00:45:00:00:65:32:c5:00:00:40:06:fd:2$
Sep 10 09:13:32 RPi3 kernel: (61356.739031) (UFW BLOCK) IN=eth0 OUT= MAC=b8:27:eb:3d:f7:ef:00:04:20:1e:db:e6:08:00:45:00:00:65:b9:26:00:00:40:06:77:2$
Sep 10 09:13:53 RPi3 kernel: (61377.373901) (UFW BLOCK) IN=eth0 OUT= MAC=b8:27:eb:3d:f7:ef:80:2a:a8:df:d3:b3:08:00:45:00:00:34:61:65:40:00:32:06:dd:7$
Sep 10 09:13:54 RPi3 kernel: (61378.622169) (UFW BLOCK) IN=eth0 OUT= MAC=b8:27:eb:3d:f7:ef:80:2a:a8:df:d3:b3:08:00:45:00:00:34:61:66:40:00:32:06:dd:7$
Sep 10 09:13:55 RPi3 kernel: (61380.059084) (UFW BLOCK) IN=eth0 OUT= MAC=b8:27:eb:3d:f7:ef:80:2a:a8:df:d3:b3:08:00:45:00:00:34:43:a3:40:00:33:06:32:9$
Sep 10 09:13:57 RPi3 kernel: (61381.185812) (UFW BLOCK) IN=eth0 OUT= MAC=b8:27:eb:3d:f7:ef:80:2a:a8:df:d3:b3:08:00:45:00:00:34:61:67:40:00:32:06:dd:7$
Sep 10 09:14:10 RPi3 kernel: (61394.395071) (UFW BLOCK) IN=eth0 OUT= MAC=b8:27:eb:3d:f7:ef:80:2a:a8:df:d3:b3:08:00:45:00:00:34:43:a4:40:00:33:06:32:9$
Sep 10 09:14:12 RPi3 kernel: (61396.287604) (UFW BLOCK) IN=eth0 OUT= MAC=b8:27:eb:3d:f7:ef:80:2a:a8:df:d3:b3:08:00:45:00:00:34:61:69:40:00:32:06:dd:6$
Sep 10 09:14:38 RPi3 kernel: (61423.067216) (UFW BLOCK) IN=eth0 OUT= MAC=b8:27:eb:3d:f7:ef:80:2a:a8:df:d3:b3:08:00:45:00:00:34:43:a5:40:00:33:06:32:9$

Ideas?

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Error: Listen to EADDRINUSE ::: port

I am a beginner, learning JS. When I tried to write on the terminal command "node index.js" to run my program nodejs. It connected via port 3000. Then I left the program by "Ctrl + Z" (I tried with C but I did not work). The program stopped but the next time I tried "node index.js", it said Error: listen EADDRINUSE ::: 3000. Then I checked this error and found a Solution by killing PID with the command "kill -9 port" but it only works once, then I have to redo it. I'm also trying to login and run a static website on aws, same error happened but with another port. I do not want to kill and run again and again like this, so hope someone can help me out of this annoying problem. Thanks in advance

xampp – Error: MySQL shutdown unexpectedly This can be due to a blocked port, missing dependencies

When I open XAMPP and click the MySQL Start button, it gives me an error. I started it just before, but now it does not work.

19:53:07  (mysql)   Status change detected: stopped
19:53:07  (mysql)   Error: MySQL shutdown unexpectedly.
19:53:07  (mysql)   This may be due to a blocked port, missing dependencies, 
19:53:07  (mysql)   improper privileges, a crash, or a shutdown by another method.
19:53:07  (mysql)   Press the Logs button to view error logs and check
19:53:07  (mysql)   the Windows Event Viewer for more clues
19:53:07  (mysql)   If you need more help, copy and post this
19:53:07  (mysql)   entire log window on the forums

Here is the contents of the error log:

InnoDB: using atomic writes.
2019-09-05 19:53:05 0 (Note) InnoDB: Mutexes and rw_locks use Windows interlocked functions
2019-09-05 19:53:05 0 (Note) InnoDB: Uses event mutexes
2019-09-05 19:53:05 0 (Note) InnoDB: Compressed tables use zlib 1.2.11
2019-09-05 19:53:05 0 (Note) InnoDB: Number of pools: 1
2019-09-05 19:53:05 0 (Note) InnoDB: Using SSE2 crc32 instructions
2019-09-05 19:53:05 0 (Note) InnoDB: Initializing buffer pool, total size = 16M, instances = 1, chunk size = 16M
2019-09-05 19:53:05 0 (Note) InnoDB: Completed initialization of buffer pool
2019-09-05 19:53:05 0 (Note) InnoDB: 128 out of 128 rollback segments are active.
2019-09-05 19:53:05 0 (Note) InnoDB: Creating shared tablespace for temporary tables
2019-09-05 19:53:05 0 (Note) InnoDB: Setting file 'D:xamppmysqldataibtmp1' size to 12 MB. Physically writing the file full; Please wait ...
2019-09-05 19:53:05 0 (Note) InnoDB: File 'D:xamppmysqldataibtmp1' size is now 12 MB.
2019-09-05 19:53:05 0 (Note) InnoDB: Waiting for purge to start
2019-09-05 19:53:05 0 (Note) InnoDB: 10.4.6 started; log sequence number 519973; transaction id 604
2019-09-05 19:53:05 0 (Note) InnoDB: Loading buffer pool(s) from D:xamppmysqldataib_buffer_pool
2019-09-05 19:53:05 0 (Note) Plugin 'FEEDBACK' is disabled.
2019-09-05 19:53:05 0 (Note) Server socket created on IP: '::'.

The most important error message is here:

2019-09-05 19:53:05 0 (Note) InnoDB: Setting file 'D:xamppmysqldataibtmp1' size to 12 MB. Physically writing the file full; Please wait ...
2019-09-05 19:53:05 0 (Note) InnoDB: File 'D:xamppmysqldataibtmp1' size is now 12 MB.
2019-09-05 19:53:05 0 (Note) InnoDB: Waiting for purge to start
2019-09-05 19:53:05 0 (Note) InnoDB: 10.4.6 started; log sequence number 519973; transaction id 604
2019-09-05 19:53:05 0 (Note) InnoDB: Loading buffer pool(s) from D:xamppmysqldataib_buffer_pool

I've watched tutorials on yt but it does not work …..

Error while retrieving the code download port

I'm using arduino uno and linux mint (tina). When I try to download code, the following error appears:

I am a recent user and would like to know what is going on and how I can solve it, have already tried as root and nothing.

enter the description of the image here

nginx udp load balancer often changes port connection

I see a specific unexpected behavior when nginx is used as udp loadbalancer.

Below my configuration topology

Customer <-----> NGINX <------> Backend Server

Nginx listens on udp port 5246 and proxies incoming traffic on the primary server. As part of the communication, the back-end server connects the connection to the client machine with the incoming port / IP combination and waits for all subsequent communications from the client machine via the same port.

But with nginx, I could see that my client computer always sent all packets with the same source port. When you use the proxy, nginx always changes the source port and sends the packet to the primary server. As a result, the connection is established between the client and the server.

Therefore can you please guide me on this point.

Config used:

stream {

upstream backendCapwapControl {
    server 10.155.2.2:5246;       
}                                 

server {
    listen 5246 reuseport udp;
    proxy_pass backendCapwapControl;
    error_log /etc/nginx/log/controllogfile.log debug;

}

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