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  • Browsing Bombs After a Short While

    - by Peder Rice
    After a reboot, my internet connection lasts perhaps a half hour or so before tanking. I can ping (by both IP and hostname), but I cannot browse. If I restart the "Network Store Interface Service", my connection comes back. What could be failing with that service or its dependent services that would kill my ability to browse? For some system info, I'm using a Sony Vaio with a fully-patched Windows Vista install and with an Intel 3945ABG wireless adapter.

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  • How to test if DNS information has propagated?

    - by Andrew
    I set up a new DNS entry for one of my subdomains (I haven't set up any Apache virtual hosts or anything like that yet). How can I check that the DNS information has propagated? I assumed that I could simply ping my.subdomain.com and assume that if it could resolve, it would show the IP address I specified in the A record. However, I don't know if I am assuming correctly. What is the best way to check this information?

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  • Eventlog entry for allowed connection in Windows Firewall

    - by Jaap
    I was seeing a lot of entries in the eventlog: The Windows Filtering Platform has permitted a connection. Application Information: Process ID: 4 Application Name: System Network Information: Direction: Inbound Source Address: 10.xxx.xxx.xxx Source Port: 80 Destination Address: 10.xxx.xxx.xxx Destination Port: 31773 Protocol: 6 Filter Information: Filter Run-Time ID: 67903 Layer Name: Receive/Accept Layer Run-Time ID: 44 We have a loadbalancer which checks every second to see if the application is still running (a health check). The logs contain large amounts of this kind of entries, which makes the Event Viewer slow and it's difficult to find the more interesting logs. How do I make sure these messages don't end up in the event logs?

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  • is this a hacker or normal apache logs?

    - by Max
    Hey, just checked my Apache logs and stumbled upon this log: Client denied by server configuration. What I found weird, are the different phpMyAdmin versions. The IP is in Czech: http://whois.domaintools.com/188.120.221.206 Am I just too overcautious?

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  • Postfix as mail relay for web servers?

    - by Ben Carleton
    Hi all, I want to set up Postfix to relay mail from a group of webservers. I would like to limit senders by IP so I can restrict the box to only my webservers, so I don't have an open relay and don't have to worry about authentication. So, what I guess I need is to limit inbound access but allow mail to be sent to any outbound address. I've looked through the docs and don't even know where to start, so any tips would be appreciated. Thanks!

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  • Unmanaged Network Switch vs Managed Network Switch

    - by David
    Currently I have an unmanaged POE switch connected to a Linksys router. I am thinking of upgrading my POE switch to a gigabit POE switch, the only problem is that the switch that I want to get is a managed switch. So here's my question: with a managed switch, can I still connect all of my devices to it and have the devices request IP addresses from the DHCP server within the Linksys router or will the devices request IPs from the managed switch since I believe the switch has its own DHCP server as well?

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  • Apache / Postfix / Cyrus question

    - by Lerikun
    Apache: I have multiple domains on one hosting. I have a web-management software listening to port 3000 and one phpmyadmin. Can I restrict access to a certain domain? I mean that example.com:3000 will work and notexample.com:3000 not? (same for phpmyadmin) UPD: I have 3 IP's pointing to that host. Postfix/Cyrus: What is the right config to reject emails to mailboxes which do not even exist? (LDAP) Thanks

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  • How could I resolve the following configuration on airport express?

    - by poz2k4444
    I've tried to configure my airport express in order to make a private network and also get access to internet, the thing is my linksys just has broken and all I have is the airport express, I've managed my DHCP to provide IP directions, but the internet connection is not working, is it something with the NAT?? or how can I access internet with my configuration, if the airport is reset to factory settings everything works fine, so, what is the problem?? My computer is going to be DHCP and DNS server

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  • VirtualBox Port Fowarding to Connect to PostgreSQL Database

    - by kliao
    I'm trying to connect to a PostgreSQL database hosted on a Win7 guest from a Win7 host. I've configured security in pg_hba.conf host all all 127.0.0.1/32 md5 host all all 10.0.2.15/32 md5 host all all 192.168.1.6/32 md5 and set the listen_addresses setting in postgresql.conf to '*'. I think I've set up port forwarding correctly as I see: Key: VBoxInternal/Devices/e1000/0/LUN#0/Config/win7_vm1/GuestPort, Value: 5432 Key: VBoxInternal/Devices/e1000/0/LUN#0/Config/win7_vm1/HostPort, Value: 5432 Key: VBoxInternal/Devices/e1000/0/LUN#0/Config/win7_vm1/Protocol, Value: TCP when I call getextradata. This is similar to http://serverfault.com/questions/106168/cant-connect-to-postgresql-on-virtualbox-guest but I'm not sure what I'm doing wrong. In the vbox.log file I see: 00:00:01.019 NAT: set redirect TCP host port 5432 = guest port 5432 @ 10.0.2.15 00:00:01.033 NAT: failed to redirect TCP 5432 = 5432 but I'm not sure how to fix that. Any ideas? Thanks.

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  • Why change net.inet.tcp.tcbhashsize in FreeBSD?

    - by sh-beta
    In virtually every FreeBSD network tuning document I can find: # /boot/loader.conf net.inet.tcp.tcbhashsize=4096 This is usually paired with some unhelpful statement like "TCP control-block hash table tuning" or "Set this to a reasonable value." man 4 tcp isn't much help either: tcbhashsize Size of the TCP control-block hash table (read-only). This may be tuned using the kernel option TCBHASHSIZE or by setting net.inet.tcp.tcbhashsize in the loader(8). The only document I can find that touches on this mysterious thing is the Protocol Control Block Lookup subsection beneath Transport Layer in Optimizing the FreeBSD IP and TCP Stack, but its description is more about potential bottlenecks in using it. It seems tied to matching new TCP segments to their listening sockets, but I'm not sure how. What exactly is the TCP Control Block used for? Why would you want to set its hash size to 4096 or any other particular number?

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  • Multiple virtual VLAN interfaces on single NIC (Debian)

    - by RayQuang
    I'm trying to setup multiple virtual interfaces with VLAN's on a single NIC. I'm running Debian Squeeze. Currently this is my /etc/netowrk/interfaces auto eth0.10 iface eth0.10 inet dhcp This gives me a working connection, however I'm not sure how to configure several like these on a single NIC so I can use multiple external IP's. I have tried aliasing the VLAN's like so: iface eth0.10:1 But that was not successful and it said failed to bring up interface. And suggestions would be greatly appreciated :)

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  • Benefits of setting a webserver in Linux

    - by John Kent
    I wonder what main purposes and benefits can one get after he sets up a webserver running on Linux installed on a VM which is hosted by Windows and that this webserver can be used as a local host for windows ? That is, I have java application that is a webserver made on Linux, I set up the virtual machine for the windows client apps to listen to its (Linux)'s local IP address and port e.g 192.168.50.50:11111 When my webserver runs, I can use http://192.168.50.50/ as the windows's localhost address (instead of 127.0.0.1 as I usually do). Thank you

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  • SQL Server: error when connecting

    - by atricapilla
    (migrated from stackoverflow) The application I'm using tries to connect SQL Server named instance running on a dedicated database server. Here's the error I'm getting: The TCP/IP connection to the host <instance_name>, port 1433 has failed. Error: Connection refused: connect. Is the firewall blocking my access or what? Should I dedicate a different port for this application?

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  • webmail suite recommendation

    - by hoball
    Hello, I have serveral emails in a few domains (email@domain1, email@domain2, email@domain3). Currently they are on an owned email server and I am collecting emails via IMAP protocol (i would not like to use POP..) in Thunderbird. I have a few partners and I want to allow them to access the same email address. Here is what I desired: All users can open All the inboxes via IMAP @ Thunderbird (with proper configuration) at the same time, there are a webmail system, every user can login their account (userA, userB, userC), and they will see all inboxes (email@domain1, email@domain2, email@domain3) Would you recommend any suite that fits my needs? Either (a system to be installed on my server) or (a remote service where I need to config MX records) will do. Thank you.

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  • Local Apache Web server works only when connected to the net

    - by Jean
    Hello, I installed Ubunut and got the LAMP stack installed too. Now the problem is I have to be connected to the internet for the local apache webserver to work, else it does not. I changed the IP address on the dnshost, in the apache2.conf file, got the servername in the httpd.conf, which was empty. Any ideas guys. Thanks Jean

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  • My network drive disappears from Mac OS Finder

    - by Mariusz
    I have recently bought a Netgear WNDR3800 router to use it in my home network. But just the same day I installed it, I noticed a strange behaviour of Finder and iTunes. Let me explain it further. There is a Synology DS111 NAS attached to that router and two Macs with Mac OS X Lion. One of them is connected by a cable and the second one wirelessly. Before I changed my router to the new one I mentioned above, Finder always used to display my NAS on its sidebar. So I could just click its network name to access shared folders existing on it. But after I installed WNDR3800, I can no longer access the NAS that way. It is no longer displayed. I always have to mount it manually by typing its IP address using the Finder's 'connect to server' option. The same NAS supports TimeMachine backups and has an inbuilt DLNA server. And the same situation here. I can't perform a backup because my NAS is no longer accessible in TimeMachine preferences. iTunes does not display it as well (as a multimedia server) even though it used to before I installed that router. What's important, everything works fine for a couple of minutes after I restart the router or the NAS. Or even when I change the NAS's IP address it becomes accessible again in Finder, TimeMachine and iTunes, but only for some time. Both the Mac computers I mentioned behave the same way. And all those issues have been taking place sice I installed that new router. Before I did that, everything had worked fine. My old router was Netgear WGR614v10. Would you be so kind to tell me what you think could possibly be the reason of that behaviour? What settings of the router should I look closer at? I'm not a network specialist, but is it possible that some network packets are blocked for some reason? I will be grateful for any clues you give me. Thank you.

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  • openvpn restriction

    - by zubin71
    hi, ive set up an openvpn server at my place and handed out a certificate to a client who has an openvpn client at his place. however i require that he should be able to connect to the vpn server only from one ip(his current one). how can i do this?

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  • What are the main differences between SRV records and TXT records?

    - by Chris Adams
    Hi there, I'm trying to consolidate domain names for the servers I look after to just use one panel instead of 3 or 4, and one thing stopping me is that the provider I originally wanted to move them to only lets me the following kinds of records: A MX NS CNAME TXT The first four I understand, but I'm not sure about the relationship (if any) between SRV records and TXT records. Can I use TXT records in the place of SRV records? They both seem to be general text records to just point at a particular server without needing to specify a particular protocol, so it doesn't sound like a totally unreasonable assumption, but I'd rather check here before I break something. If I can only set the above records, does that mean I'm essentially unable to so any SRC record redirecting? Thanks!

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  • Website doesn't work when missing "www"

    - by jeff
    Hello everyone, Does anyone know the solution to this problem? I checked my zone file and there are 2 A records mydomainname.com. 14400 IN A ip.address.x.x localhost 14400 IN A 127.0.0.1 I'm On CentOs 5.2, by the way. Thanks for the help!!

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  • assign public domain on linux

    - by juanefren
    I have all my domains parked with Godaddy registrar, and now I have aquired a small dedicated server to migrate all my sites. How do I park my domains in the new site? The server is a Red Hat Enterprise Linux Box with Apache and Nginx running. The only way to access the server right now it's via IP address.

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  • Apache https configurations

    - by sissonb
    I am trying to setup my domain name with a self signed cert. I created the cert and placed the server.key and server.crt files into C:/apache/config/ Then I updated my httpd.confg host to include the following, <VirtualHost 192.168.5.250:443> DocumentRoot C:/www ServerName mydomain.com:443 ServerAlias www.mydomain.com:443 SSLEngine on SSLCertificateFile C:/apache/conf/server.crt SSLCertificateKeyFile C:/apache/conf/server.key SSLVerifyClient none SSLProxyEngine off SetEnvIf User-Agent ".*MSIE.*" \ nokeepalive ssl-unclean-shutdown \ downgrade-1.0 force-response-1.0 CustomLog logs/ssl_request_log \ "%t %h %{SSL_PROTOCOL}x %{SSL_CIPHER}x \"%r\" %b" </VirtualHost> Now when I go to https://mydomain.com I get the following error. SSL connection error Unable to make a secure connection to the server. This may be a problem with the server, or it may be requiring a client authentication certificate that you don't have. Error 107 (net::ERR_SSL_PROTOCOL_ERROR): SSL protocol error. Can anyone see what I'm doing wrong? Thanks!

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  • Sharing folder in a Virtual Private Windows Server 2008 R2 ?

    - by Triztian
    See Edit 2: Hello all, seems my involvement with computers has grown and I've found my self in the need to access a shared folder on a server. I've read some documentation and managed to set up the folder as a share, for this I created a local group and for now just one local user that has access to the share, the folder is in the public user folder and it's permissions should be (and I believe they are) read/write. The problem is that I can't connect from a remote machine I mean I don't know how the way it should be accessed, the server has a public IP and we use it also as a host to our website I don't know if that affects it though, the folder will be used as the "keeper" for the QuickBooks company files and has the database server manager installed. I've tried setting up a VPN Connection to the but no success. The server has a domain name a "http://www.example.com" that redirects to our website, I am unsure if it could be accessed that way, also the share has a location displayed when I right-click properties Heres what I've tried Setting up a VPN Connection (Windows Vista and 7) Got to the point where I got asked for credential and entered the user I created (which is not an admin) but I got a "Connection fail error 800" I suppose this is because in the domain field I entered the servers workgroup. right-click add network connection (Windows 7) Went through the wizard until I reached the point of entering the location, tried many things, the name in the share's properties(\\SOMETHING\Share), the http://www.example.com , the IP address I'm quite unfamiliar with this, so I have my guesses: Since the group and user are local they do not have access to the folder. The firewall in the server is blocking my connection. Anyways, any help and guidence is truly appreciated. EDIT 1: As @tony roth pointed out it may be a security fail, an I commented it out to management and said that that is not an issue, so please bare with me. EDIT 2: I've found out that the real question could be streamlined to "Sharing folder in a Virtual Private Server?", as thats what we have, a virtual private windows server 2008 R2, and I would like to know how to make it show like a normal folder in the client computer. Thanks again for all of your support.

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