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Netcat Timed Out Operation Now In Progress

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Browse other questions tagged port access-control-list netcat nc or ask your own question. If the timeout is set too low, then I see a [curl] 28: Connection time-out [url]. Since disabling the firewall the issue has vanished. What about putting it inside of a while loop with a timer on it of some sort. Source

without the braces; it won't work in this case. telnet: connect to address 10.0.0.1: Operation timed out telnet: Unable to connect to remote host$ telnet 10.0.0.1 8081 Trying 10.0.0.1... The output from the netcat-traditional package is below. $ nc -zv www.google.com.sg 80 DNS fwd/rev mismatch: www.google.com.sg != nuq04s29-in-f3.1e100.net www.google.com.sg [216.58.192.3] 80 (http) open If a port is not open, netcat How much leverage do commerial pilots have on cruise speed? http://unix.stackexchange.com/questions/105017/nc-both-fails-and-succeeds

Nc: Connect To (tcp) Timed Out: Operation Now In Progress

DevOps Partner Resources The DevOps Journey - From Waterfall to Continuous Delivery Sauce Labs Blog: Is your team ready for Continuous Delivery? We recommend upgrading to the latest Safari, Google Chrome, or Firefox. The zabbix_server is a remote host (on the Internet). more hot questions question feed lang-sh about us tour help blog chat data legal privacy policy work here advertising info mobile contact us feedback Technology Life / Arts Culture / Recreation

In my case, I want to test for the availability of a local apt-cacher-ng service from a docker build. arabold commented Jun 1, 2014 Thanks for the feedback. RHEL 6 (nc-1.84): Installation: $ sudo yum install nc Examples: Success: $ nc -w 2 -v canyouseeme.org 80

But nmap is probably better. # timeout 3 cat < /dev/udp/example.com/40000 When I tried nc on the same server (igor) I was getting the same results as you. Yes, I know the OP said they were aware of this option and it didn't suit them, but for anyone following afterwards it might prove useful. Lithium Battery Protection Circuit - Why are there two MOSFETs in series, reversed? http://www.digitalinternals.com/unix/unix-linux-netcat-check-port-open/511/ The Futuristic Gun Duel 'sudo' is not installed, I can't install it, and it asks if I am root How do you remove a fishhook from a human?

This issue kept me digging for more than two days now but it turns out that this might be caused by a stateful firewall on the remote side. Do not specify them merely as $HOST and $PORT, i.e. Have you tried nmap? If you send a packet and you don't get a rejection (via ICMP), it's considered successful.

Netcat Udp

Iteration can replace Recursion? In UDP, there is no equivalent to a TCP SYN packet. Nc: Connect To (tcp) Timed Out: Operation Now In Progress A more compact way to use it: nc -z That way nc will only check if the port is open, exiting with 0 on success, 1 on failure. They were working just fine yesterday with direct connexion.

Read More From DZone Forget Angular 3; Google Is Set to Launch Angular 4 5 Dysfunctions of End-to-End Tests Using Java? this contact form That is unusual, but the server is online. I also cleared the cache, history and all the cookies... nc: connect to microsoft.com port 81 (tcp) timed out: Operation now in progress nc: connect to microsoft.com port 81 (tcp) timed out: Operation now in progress nc: connect to microsoft.com port

I would prefer to use native Solaris 10 commands. Opinions expressed by DZone contributors are their own. Makes Sense [[email protected]~]$ nc -ul 40000 --- [[email protected]~]$ nc -zvuw2 mybox1.com 40000 Connection to mybox1.com 40000 port [udp/*] succeeded! have a peek here more hot questions question feed about us tour help blog chat data legal privacy policy work here advertising info mobile contact us feedback Technology Life / Arts Culture / Recreation Science

to no avail. I guess the reason is simply the amount of requests being handled simultaneously. dd, yyyy' }} · {{ parent.portal.name }} Zone Tweet {{ parent.views }} ViewsClicks Edit Delete {{ parent.isLocked ? 'Enable' : 'Disable' }} comments {{ parent.isLimited ? 'Remove comment limits' : 'Enable

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The time now is 05:49 PM. Strange.......... --Corrytonapple---- [Toshiba L455-S5008] [Intel Pentium 2.4GHz Procesor] [250GB HDD;4GB RAM] [Debian Wheezy 7.0 with GNOME 3][Fedora 16] Adv Reply August 2nd, 2010 #5 cdenley View Profile View Forum Posts What happened to Obi-Wan's lightsaber after he was killed by Darth Vader? Help with a prime number spiral which turns 90 degrees at each prime 9-year-old received tablet as gift, but he does not have the self-control or maturity to own a tablet

Both Google Chrome and FireFox. This time, however, I got something unexpected. [[email protected] ~]$ nc -vz dixxxldv02.xxx.xxx 22 -w 15 nc: connect to dixxxldv02.xxx.xxx port 22 (tcp) timed out: Operation now in progress Connection to dixxxldv02.ncat.edu Forum posting guidelinesMember:Not Canonical TeamUbuntu membership via Forums contributions Adv Reply August 2nd, 2010 #9 worksofcraft View Profile View Forum Posts Private Message Cake for coffee's sake Join Date Sep Check This Out nc: connect to canyouseeme.org port 81 (tcp) timed out: Operation now in progress 1 If the hostname maps to multiple IPs, the above failing command will cycle through many or all

Is there a limit to the number of nested 'for' loops? Ncat: Connection to 23.100.122.175 failed: Connection timed out.