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8
votes
4answers
9k views

Network Error: no buffer space available

After some time of running fine, one of our Windows XP SP3 machines does not open some(!) new TCP/IP connections anymore. Putty says Network Error: no buffer space available, IE won't open any new ...
1
vote
2answers
878 views

Lighttpd with FastCGI won't create /tmp/fcgi.sock on startup?

I'm running lighttpd-1.4.19 on a debian 5 box and try to run web2py with fastcgi. The problem with that is, that lighttpd does not create the socket file /tmp/fcgi.sock. If I'm creating the file by ...
1
vote
2answers
358 views

Linux: How to display all sockets opened for a particular interface?

How can I display all sockets opened for a particular interface?
3
votes
1answer
625 views

Where are my TIME_WAITs on Mac OS X?

No TIME_WAITs on Mac OS X Normally, when a TCP connection is closed, the socket on the side where close() is called first is left in the TIME_WAIT state. When one of the peers is a Mac OS X (Lion) ...
3
votes
1answer
508 views

Socket.io Flashsockets over HTTPS

We’re trying to get Socket.io flashsockets to work in Internet Explorer 9 over HTTPS/WSS. The flashsockets work over HTTP, but HTTPS is giving us problems. We’re using socket.io version 0.8.7 and ...
2
votes
1answer
188 views

Software to prevent daemons from binding/listening to local ports?

Having an issue with some not-so-bright developers creating daemon processes that are binding to the (not actually reserved) local ports on our Linux servers. Those ports being defined in: cat ...
1
vote
1answer
67 views

Debian 7.4 drops UDP traffic randomly

I'm running Debian 7.4, KVM VPS with the latest updates. I'm getting UDP ports randomly closed for 2-10 minutes for no reason. I'm running gaming servers and the port tester shows the ports are ...
1
vote
1answer
149 views

Why is there a socket interface on the host and a character device interface on the guest for virtio-serial?

I am trying to establish a communication channel between the host and one of its guest virtual machine using kvm as a hypervisor. For this, I am using virtio-serial. To create the virtual machine, I ...
1
vote
1answer
2k views

Caused by: java.net.SocketException: Software caused connection abort: socket write error

I running JSP on Oracle 11g, Weblogic 10.3.4. I have 2 managed server and a oracle admin server installed. I am encountering an error where intermittently the log file of the 2 managed server and ...
1
vote
1answer
550 views

Effect of NonBlockingSendSpecialBuffering setting on Windows

Recently I ran into some issue related to the UDP sending on Windows. When the application tries to send the packets over UDP in non-blocking mode, often it received socket error 10035 ...
0
votes
1answer
398 views

Unable to access 3ware 3dm2 web interface, failed to start listening socket

I am unable to get to the 3ware 3dm2 web interface. When I attempt to execute 3dm2 from the command line, i get the following error "(0x0C:0x0005): Failed to start listening socket". This was working ...
0
votes
1answer
506 views

How do I get sticky session to work on varnish?

Here is my current config file. Some time it works sometime it doesn't. Note that my website doesn't have a session so I can't use that. backend gw001 { .host = "127.0.0.1"; .port = "9001"; ...
0
votes
1answer
292 views

How to check if sockets are sending/receiving data on linux?

I often have to debug processes which involve a server client tcp connection. I'd like to check, during times where a client might seem stuck, whether the server is sending it data or not. I can use: ...
0
votes
1answer
132 views

Socket(TCPIP) Unstable

I have a setup of a SCPI server in a Win7 PC and have 2 other programs talking to it locally(127.0.0.1) over TCPIP socket 5025 and 5029. This worked well and stable in a fresh PC, but when we moved ...
0
votes
1answer
171 views

How to redirect outgoing network connections?

I was wondering how would I redirect outgoing connections from all applications to a certain proxy or something like that without having to hook winsock functions on windows. I noticed Proxifier is ...
0
votes
1answer
414 views

WebSockets setup questions

I'm running a Windows 2008 server, and I need some help setting up whatever I need to set up on the server side. I've been googling like mad, but with my luck, I just cant find a windows compatible ...
-1
votes
1answer
369 views

Options for sending data between two computers over the internet

My problem is fairly simple: I wish to send/receive simple commands between two PCs. The first PC (PC1) runs a program that controls and monitors an alarm system. The seconds PC (PC2) is any PC that ...
-2
votes
1answer
812 views

iptables and WebSockets: Error during WebSocket handshake

I keep getting the following error in Chrome: Error during WebSocket handshake: location mismatch: ws://222.222.222.222/ != ws://222.222.222.222:undefined/ 111.111.111.111:80 serves the webpage and ...
3
votes
0answers
115 views

timing issue after route add/delete (route not used)

I have an application that is running a raw IP socket, destination of this socket is governed by routes installed via the 'ip route add' command. These routes can change during the lifetime of a ...
3
votes
0answers
307 views

mysql client slow login strace

I am experiencing an issue with slow connections/logins to a loaded mysql server, even when connecting via the unix socket file (CentOS 6.3). Queries are completing very quickly -- (0.00 sec) in this ...
2
votes
0answers
109 views

what can put linux process managing connection pool into bad state, so it restarts them continously?

I have an application with pool of connections to MySQL. At some point, in production, every 1-3 seconds some socket is closed. As a result my app restarts this connection. This is pretty big pool ...
2
votes
0answers
833 views

windows server 2003 socket connections limit

I'm trying to establish many(the more - the merrier) socket connections on Windows 2003 server. I make several server sockets and connect to them from current computer (1 server socket serves 1 ...
1
vote
0answers
54 views

Rails application deployment, nginx, unicorn, capistrano socket error

I am deploying a rails application to a digital ocean VPS. I have followed https://coderwall.com/p/yz8cha . All things done well, but now the browser shows only a blank page. Nginx log contains: ...
1
vote
0answers
46 views

Weird socket behavior in VirtualBox (NAT + PAT)?

I have a Linux VM with NAT and PAT configured. Let's say ports 2000 and 2001 are forwarded to the VM. These ports are also configured for external access on a device such as a router using a domain ...
1
vote
0answers
207 views

Apache2 mod_proxy_fcgi closes a connection after each request

I set up mod_proxy_fcgi do go with apache and php-fpm. If I read the FCGI spec correctly, the typical flow for the communication between a server is to keep the connections between the web server and ...
1
vote
0answers
266 views

UDP socket receive buffer size change on RHEL6.3

Our system used to work on RHEL5.3 And the socket receive buffer size is 64k. And that works fine. We can get message size up to 64k on UDP socket. But after system upgrade, it is running on RHEL6.3 ...
1
vote
0answers
223 views

SocketException (Timeout) only when running as scheduled task

I'm running a C# web-scrapper application (that I wrote) on a Windows Server 2003 instance under a user belonging to the local Administrator group. When I run it within a desktop/remote-desktop ...
1
vote
0answers
550 views

Disable kernel processing of TCP packets for raw socket

I'm working on a TCP/IP implementation, for an embedded device, that I want to test from a Linux user space process using raw sockets. raw(7) says that Raw sockets may tap all IP protocols in ...
1
vote
0answers
204 views

How to troubleshoot intermittent winsock 10054 errors on Windows Server 2003 SP2

We are getting 10054 errors in a couple of our applications on one server running Windows Server 2003 SP2. This happens intermittently, and we also have other similar servers running the same ...
1
vote
0answers
151 views

Whats going on with mySQL

I am trying to install this application named socialengine and all is going well except on the mysql screen i keep getting this error The MySQL storage engine is not installed. I notice my sock ...
1
vote
0answers
238 views

Heavily loaded ubuntu machine connection timeout

I've got a webserver running Ubuntu 10.04 Server edition (on rackspace cloud), running nginx and jetty. It's under quite a bit of load (60-70 requests/sec or so successful). Nginx is proxying requests ...
0
votes
0answers
20 views

Single TCP-CLOSE_WAIT connection brings down application till restart

Recently found a behaviour where my application had a connection in TCP Close_wait state till the app was restarted (after about 5 hours). But during this period the SUnreclaim space was also ...
0
votes
0answers
39 views

Can thousands of files in a directory seriously slow down access to unix socket file?

I try to find out why a site has juddering performance problems. It works well most of the time. And for short time a 2-minute delay occurs. I don't see any database problems. Memory consumed looks ...
0
votes
0answers
88 views

Sockets stuck in FIN_WAIT2 after connected over ssh tunnel

I have a pair of C programs that transmit data over a TCP socket using a simple server/client connection. After connection, the server sends the client data until the client decides to terminate the ...
0
votes
0answers
108 views

Postfix claims it can't connect to mysql server through socket even though mysql is up and auth is correct

I have setup Postfix (version 2.9.6) to use MySQL (5.5.35) to get alias > real e-mail. When I try to send an e-mail to the server it outputs the following in the Postfix logs. postfix/smtpd[3297]: ...
0
votes
0answers
135 views

tomcat 6 (connector) listen on socket file

Well, the title says all. I want Tomcat to listen on a socket file since it's much cheaper than a network socket. I'll proxy requests to Tomcat. How do I tell a Connector to listen on a socket file? ...
0
votes
0answers
543 views

Multicast is not working with Linux

I have the multicast program which is working fine on windows , it is sending some message to range of IP. This works fine while I run it from windows, but when I run on Linux (with help of makefile) ...
-1
votes
0answers
22 views

High data on recv-q buffer and thread lock on java.io.BufferedInputStream in linux

We have a java application running on linux (ubuntu server). We have been facing high recv-q problem since quite some time. Application gets hang and does not read data from socket every few hours. ...