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  • Noob-Friendly Guides to WSGI?

    - by Johnny McKenzie
    world! I have recently been delving into server-side code web development with python, and I have hit a brick wall; you see, I know little about server side code and HTTP (other than the v. basics with php shudder), and all of the docs for wsgi that I have found seem to be for people already well established in the field. Are there any n00b happy guides for server-side scripting (the theory of), or on wsgi out there. Http would be helpful, video tuts are also greatly appreciated. Thanks in advance.

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  • How do I push my initial snapshot to a subscriber server in SQL Server 2000?

    - by Kev
    I'm configuring Transactional Replication using the Push model. The scenario is: The SQL Servers: SQL01 (publisher) and SQL02 (subscriber) - both running SQL 2000 SP4. Both servers are standalone (i.e. not domain members) Both servers have their FQDN and NETBIOS names in their HOSTS files I've managed to configure SQL01 to publish my database and configured a Push subscription for SQL02 using the Push New Subscription wizard and set the Distribution Agent to update the subscription continuously. On the Push Subscription wizard "Initialise Subscription" page I've selected "Yes, initialise the schema and data" and ticked the "Start the Snapshot Agent to begin the initialisation process immediately" option. All the required services are running (SQL Agent). When I complete the wizard and browse the Replication - Publications folder I can see my publication (blue book with arrow). The publication shows the Push subscription and its status is Pending. If I look in the c:\Program Files\Microsoft SQL Server\Mssql\Repldata folder I see a number of T-SQL scripts for each table e.g. Products.bcp, Products.sch, Products.idx. What should happen now? Should my replicated database now (magically) appear on the subscription server?

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  • Missing drive space in Server 2003

    - by Tim Brigham
    I have two drives used for SQL backups which for the last week have been acting strange - the free space indicated by windows is far off from what windirstat, etc indicates. There should only be about 60 GB of drive space used and there is about 160. This would match the utilization if the two last backup files were still residing on disk. SQL server is 2000, OS Server 2003 x64. Running on a VMware 5.0 cluster. OSSEC and McAfee for this system shows clean. My current plan is to temporarily attach one of these drives this drive to another VM for analysis. Is there anything more I should be looking at? There were a lot of pages on the net when I was looking for documentation on this issue but I haven't found this case described. EDIT: Unfortunately even a full reboot did not clear this behavior. I also used process explorer to look for open file handles. No dice.

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  • Is it bad to redirect http to https?

    - by jasondavis
    I just installed an SSL Certificate on my server. I use a web hosting panel called ZPanel that is an open source project. It then set up a redirect for all traffic on my domain on Port 80 to redirect it to Port 443. In other words, all my http://example.com traffic is now redirected to the appropriate https://example.com version of the page. The redirect is done in my Apache Virtual Hosts file with something like this... RewriteEngine on ReWriteCond %{SERVER_PORT} !^443$ RewriteRule ^/(.*) https://%{HTTP_HOST}/$1 [NC,R,L] My question is, are there any drawbacks to using SSL? Since this is not a 301 Redirect, will I lose link juice/ranking in search engines by switching to https? I appreciate the help. I have always wanted to set up SSL on a server, just for the practice of doing it, and I finally decided to do it tonight. It seems to be working well so far, but I am not sure if it's a good idea to use this on every page. My site is not eCommerce and doesn't handle sensitive data; it's mainly for looks and the thrill of installing it for learning. UPDATED ISSUE Strangely Bing creates this screenshot from my site now that it is using HTTPS everywhere...

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  • .htaccess blocking images on some internal pages

    - by jethomas
    I'm doing some web design for a friend and I noticed that everywhere else on her site images will load fine except for the subdirectory I'm working in. I looked in her .htaccess file and sure enough it is setup to deny people from stealing her images. Fair Enough, except the pages i'm working on are in her domain and yet I still get the 403 error. I'm pasting the .htaccess contents below but I replaced the domain names with xyz, 123 and abc. So specifically the page I'm on (xyz.com/DesignGallery.asp) pulls images from (xyz.com/machform/data/form_1/files) and it results in a forbidden error. RewriteEngine on <Files 403.shtml> order allow,deny allow from all </Files> RewriteCond %{HTTP_REFERER} !^http://xyz.com/.*$ [NC] RewriteCond %{HTTP_REFERER} !^http://xyz.com/machform/.*$ [NC] RewriteCond %{HTTP_REFERER} !^http://xyz.com/machform/data/form_1/files/.*$ [NC] RewriteCond %{HTTP_REFERER} !^http://xyz.com$ [NC] RewriteCond %{HTTP_REFERER} !^http://abc.com/.*$ [NC] RewriteCond %{HTTP_REFERER} !^http://abc.com$ [NC] RewriteCond %{HTTP_REFERER} !^http://abc.xyz.com/.*$ [NC] RewriteCond %{HTTP_REFERER} !^http://abc.xyz.com$ [NC] RewriteCond %{HTTP_REFERER} !^http://123.com/.*$ [NC] RewriteCond %{HTTP_REFERER} !^http://123.com$ [NC] RewriteCond %{HTTP_REFERER} !^http://123.xyz.com/.*$ [NC] RewriteCond %{HTTP_REFERER} !^http://123.xyz.com$ [NC] RewriteCond %{HTTP_REFERER} !^http://www.xyz.com/.*$ [NC] RewriteCond %{HTTP_REFERER} !^http://www.xyz.com/machform/.*$ [NC] RewriteCond %{HTTP_REFERER} !^http://www.xyz.com/machform/$ [NC] RewriteCond %{HTTP_REFERER} !^http://www.xyz.com/machform/data/form_1/files/.*$ [NC] RewriteCond %{HTTP_REFERER} !^http://www.xyz.com$ [NC] RewriteCond %{HTTP_REFERER} !^http://www.abc.com/.*$ [NC] RewriteCond %{HTTP_REFERER} !^http://www.abc.com$ [NC] RewriteCond %{HTTP_REFERER} !^http://www.abc.xyz.com/.*$ [NC] RewriteCond %{HTTP_REFERER} !^http://www.abc.xyz.com$ [NC] RewriteCond %{HTTP_REFERER} !^http://www.123.com/.*$ [NC] RewriteCond %{HTTP_REFERER} !^http://www.123.com$ [NC] RewriteCond %{HTTP_REFERER} !^http://www.123.xyz.com/.*$ [NC] RewriteCond %{HTTP_REFERER} !^http://www.123.xyz.com$ [NC] RewriteRule .*\.(jpg|jpeg|gif|png|bmp)$ - [F,NC] deny from 69.49.149.17 RewriteCond %{HTTP_HOST} ^.*$ RewriteRule ^vendors\.html$ "http\:\/\/www\.xyz\.com\/Design_Gallery_1\.htm" [R=301,L] RewriteCond %{HTTP_HOST} ^.*$ RewriteRule ^vendors\.asp$ "http\:\/\/www\.xyz\.com\/Design_Gallery_1\.htm" [R=301,L] RewriteCond %{HTTP_HOST} ^.*$ RewriteRule ^ArtGraphics\.html$ "http\:\/\/www\.xyz\.com\/Art_Gallery_1\.htm" [R=301,L] RewriteCond %{HTTP_HOST} ^.*$ RewriteRule ^ArtGraphics\.asp$ "http\:\/\/www\.xyz\.com\/Art_Gallery_1\.htm" [R=301,L] RewriteCond %{HTTP_HOST} ^.*$ RewriteRule ^Gear\.asp$ "http\:\/\/www\.xyz\.com\/Gear_Gallery_1\.htm" [R=301,L] RewriteCond %{HTTP_HOST} ^.*$ RewriteRule ^Gear\.html$ "http\:\/\/www\.xyz\.com\/Gear_Gallery_1\.htm" [R=301,L] RewriteCond %{HTTP_HOST} ^.*$ RewriteRule ^NewsletterSign\-Up\.html$ "http\:\/\/www\.xyz\.com\/Newsletter\.htm" [R=301,L] RewriteCond %{HTTP_HOST} ^.*$ RewriteRule ^NewsletterSign\-Up\.asp$ "http\:\/\/www\.xyz\.com\/Newsletter\.htm" [R=301,L] RewriteCond %{HTTP_HOST} ^.*$ RewriteRule ^KidzStuff\.html$ "http\:\/\/www\.xyz\.com\/KidzStuff1\.htm" [R=301,L] RewriteCond %{HTTP_HOST} ^.*$ RewriteRule ^KidzStuff\.asp$ "http\:\/\/www\.xyz\.com\/KidzStuff1\.htm" [R=301,L] RewriteCond %{HTTP_HOST} ^.*$ RewriteRule ^Vendors\.html$ "http\:\/\/www\.xyz\.com\/Design_Gallery_1\.htm" [R=301,L] RewriteCond %{HTTP_HOST} ^.*$ RewriteRule ^Vendors\.asp$ "http\:\/\/www\.xyz\.com\/Design_Gallery_1\.htm" [R=301,L]

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  • SQL Server 08 Express error when connecting to localhost - "Timeout expired". Works with ::1 or 127

    - by Adam A
    EDIT New info: Navigating to localhost:1434 in Chrome gives me an "ERR_EMPTY_RESPONSE", while other ports give me an "Oops! This link appears to be broken". So it seems to binding ok there? So here's my setup so far: I've configured Windows Firewall to allow TCP on 1433 and UDP on 1434. I've set up SQL Server to use any IP on Port 1433 (using the SQL Server Configuration Manager). My hosts file contains the default entries ("127.0.0.1 localhost" and "::1 localhost"). I sometimes have a debug session of Visual Web Developer running a webserver, but it's on a specific port (localhost:5XXXX). What I've tried: I CAN ping localhost in a cmd prompt. I CAN connect to the database through SSMS if I specify 127.0.0.1 or ::1 as the server name. I CAN'T connect to the database through SSMS (or ADO.NET) if I specify localhost as the server name. I've tried both Windows and SQL Authentication The error I get is the standard Can't connect to localhost. Additional Information -- Timeout expired. The timeout period elapsed prior to completion of the operation or the server is not responding. (Microsoft Sql Server) Other considerations: Stopping the Visual Web Developer web server from the taskbar doesn't affect the sql problem. The SQL error log says that it's listening on some piped name url at start up (I don't see how this would affect localhost but not 127.0.0.1 though). I could probably just use 127.0.0.1 everywhere, but it scares me that localhost isn't working and I'd like to figure out why. I'm not much of a networking or sql server guy so I'm stuck. If you want me to try anything to help diagnose just put it in a comment and I'll give it a go. Netstat results: Setting SDK environment relative to C:\Program Files\Microsoft SDKs\Windows\v6.1 Targeting Windows Server 2008 x86 DEBUG C:\Program Files\Microsoft SDKs\Windows\v6.1netstat -ano | findstr 1434 UDP 0.0.0.0:1434 *:* 6868 UDP [::]:1434 *:* 6868 C:\Program Files\Microsoft SDKs\Windows\v6.1netstat -ano | findstr 1433 TCP 0.0.0.0:1433 0.0.0.0:0 LISTENING 2268 TCP 127.0.0.1:1433 127.0.0.1:50758 ESTABLISHED 2268 TCP 127.0.0.1:50758 127.0.0.1:1433 ESTABLISHED 5008 TCP [::]:1433 [::]:0 LISTENING 2268 TCP [::1]:1433 [::1]:51202 ESTABLISHED 2268 TCP [::1]:1433 [::1]:51616 ESTABLISHED 2268 TCP [::1]:51202 [::1]:1433 ESTABLISHED 5008 TCP [::1]:51616 [::1]:1433 ESTABLISHED 5008 C:\Program Files\Microsoft SDKs\Windows\v6.1 SQL Server Log File: In case it helps 2010-01-30 12:58:59.01 Server Microsoft SQL Server 2008 (SP1) - 10.0.2531.0 (Intel X86) Mar 29 2009 10:27:29 Copyright (c) 1988-2008 Microsoft Corporation Express Edition on Windows NT 6.0 (Build 6002: Service Pack 2) 2010-01-30 12:58:59.01 Server (c) 2005 Microsoft Corporation. 2010-01-30 12:58:59.01 Server All rights reserved. 2010-01-30 12:58:59.01 Server Server process ID is 2268. 2010-01-30 12:58:59.01 Server System Manufacturer: 'Dell Inc.', System Model: 'Inspiron 1545'. 2010-01-30 12:58:59.01 Server Authentication mode is MIXED. 2010-01-30 12:58:59.02 Server Logging SQL Server messages in file 'c:\Program Files\Microsoft SQL Server\MSSQL10.SQLEXPRESS\MSSQL\Log\ERRORLOG'. 2010-01-30 12:58:59.02 Server This instance of SQL Server last reported using a process ID of 7396 at 1/30/2010 12:57:38 PM (local) 1/30/2010 5:57:38 PM (UTC). This is an informational message only; no user action is required. 2010-01-30 12:58:59.02 Server Registry startup parameters: -d c:\Program Files\Microsoft SQL Server\MSSQL10.SQLEXPRESS\MSSQL\DATA\master.mdf -e c:\Program Files\Microsoft SQL Server\MSSQL10.SQLEXPRESS\MSSQL\Log\ERRORLOG -l c:\Program Files\Microsoft SQL Server\MSSQL10.SQLEXPRESS\MSSQL\DATA\mastlog.ldf 2010-01-30 12:58:59.02 Server SQL Server is starting at normal priority base (=7). This is an informational message only. No user action is required. 2010-01-30 12:58:59.02 Server Detected 2 CPUs. This is an informational message; no user action is required. 2010-01-30 12:58:59.08 Server Using dynamic lock allocation. Initial allocation of 2500 Lock blocks and 5000 Lock Owner blocks per node. This is an informational message only. No user action is required. 2010-01-30 12:58:59.17 Server Node configuration: node 0: CPU mask: 0x00000003 Active CPU mask: 0x00000003. This message provides a description of the NUMA configuration for this computer. This is an informational message only. No user action is required. 2010-01-30 12:58:59.30 spid7s Starting up database 'master'. 2010-01-30 12:58:59.41 spid7s Recovery is writing a checkpoint in database 'master' (1). This is an informational message only. No user action is required. 2010-01-30 12:58:59.67 spid7s FILESTREAM: effective level = 0, configured level = 0, file system access share name = 'SQLEXPRESS'. 2010-01-30 12:58:59.92 spid7s SQL Trace ID 1 was started by login "sa". 2010-01-30 12:58:59.94 spid7s Starting up database 'mssqlsystemresource'. 2010-01-30 12:58:59.95 spid7s The resource database build version is 10.00.2531. This is an informational message only. No user action is required. 2010-01-30 12:59:00.82 spid7s Server name is 'DELL\SQLEXPRESS'. This is an informational message only. No user action is required. 2010-01-30 12:59:00.83 Server A self-generated certificate was successfully loaded for encryption. 2010-01-30 12:59:00.84 Server Server is listening on [ 'any' 1433]. 2010-01-30 12:59:00.84 Server Server is listening on [ 'any' 1433]. 2010-01-30 12:59:00.84 spid10s Starting up database 'model'. 2010-01-30 12:59:00.85 Server Server local connection provider is ready to accept connection on [ \\.\pipe\SQLLocal\SQLEXPRESS ]. 2010-01-30 12:59:00.86 Server Server local connection provider is ready to accept connection on [ \\.\pipe\MSSQL$SQLEXPRESS\sql\query ]. 2010-01-30 12:59:00.86 Server Dedicated administrator connection support was not started because it is disabled on this edition of SQL Server. If you want to use a dedicated administrator connection, restart SQL Server using the trace flag 7806. This is an informational message only. No user action is required. 2010-01-30 12:59:00.87 Server The SQL Server Network Interface library could not register the Service Principal Name (SPN) for the SQL Server service. Error: 0x54b, state: 3. Failure to register an SPN may cause integrated authentication to fall back to NTLM instead of Kerberos. This is an informational message. Further action is only required if Kerberos authentication is required by authentication policies. 2010-01-30 12:59:00.87 spid7s Informational: No full-text supported languages found. 2010-01-30 12:59:00.87 Server SQL Server is now ready for client connections. This is an informational message; no user action is required. 2010-01-30 12:59:00.91 spid7s Starting up database 'msdb'. 2010-01-30 12:59:01.21 spid10s Clearing tempdb database. 2010-01-30 12:59:02.78 spid10s Starting up database 'tempdb'. 2010-01-30 12:59:03.30 spid13s The Service Broker protocol transport is disabled or not configured. 2010-01-30 12:59:03.30 spid13s The Database Mirroring protocol transport is disabled or not configured. 2010-01-30 12:59:03.31 spid7s Recovery is complete. This is an informational message only. No user action is required. 2010-01-30 12:59:03.31 spid13s Service Broker manager has started.

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  • SQL Server 08 Express error when connecting to localhost - "Timeout expired". Works with ::1 or 127.0.0.1

    - by Adam A
    EDIT New info: Navigating to localhost:1434 in Chrome gives me an "ERR_EMPTY_RESPONSE", while other ports give me an "Oops! This link appears to be broken". So it seems to binding ok there? So here's my setup so far: I've configured Windows Firewall to allow TCP on 1433 and UDP on 1434. I've set up SQL Server to use any IP on Port 1433 (using the SQL Server Configuration Manager). My hosts file contains the default entries ("127.0.0.1 localhost" and "::1 localhost"). I sometimes have a debug session of Visual Web Developer running a webserver, but it's on a specific port (localhost:5XXXX). What I've tried: I CAN ping localhost in a cmd prompt. I CAN connect to the database through SSMS if I specify 127.0.0.1 or ::1 as the server name. I CAN'T connect to the database through SSMS (or ADO.NET) if I specify localhost as the server name. I've tried both Windows and SQL Authentication The error I get is the standard Can't connect to localhost. Additional Information -- Timeout expired. The timeout period elapsed prior to completion of the operation or the server is not responding. (Microsoft Sql Server) Other considerations: Stopping the Visual Web Developer web server from the taskbar doesn't affect the sql problem. The SQL error log says that it's listening on some piped name url at start up (I don't see how this would affect localhost but not 127.0.0.1 though). I could probably just use 127.0.0.1 everywhere, but it scares me that localhost isn't working and I'd like to figure out why. I'm not much of a networking or sql server guy so I'm stuck. If you want me to try anything to help diagnose just put it in a comment and I'll give it a go. Netstat results: Setting SDK environment relative to C:\Program Files\Microsoft SDKs\Windows\v6.1 Targeting Windows Server 2008 x86 DEBUG C:\Program Files\Microsoft SDKs\Windows\v6.1netstat -ano | findstr 1434 UDP 0.0.0.0:1434 *:* 6868 UDP [::]:1434 *:* 6868 C:\Program Files\Microsoft SDKs\Windows\v6.1netstat -ano | findstr 1433 TCP 0.0.0.0:1433 0.0.0.0:0 LISTENING 2268 TCP 127.0.0.1:1433 127.0.0.1:50758 ESTABLISHED 2268 TCP 127.0.0.1:50758 127.0.0.1:1433 ESTABLISHED 5008 TCP [::]:1433 [::]:0 LISTENING 2268 TCP [::1]:1433 [::1]:51202 ESTABLISHED 2268 TCP [::1]:1433 [::1]:51616 ESTABLISHED 2268 TCP [::1]:51202 [::1]:1433 ESTABLISHED 5008 TCP [::1]:51616 [::1]:1433 ESTABLISHED 5008 C:\Program Files\Microsoft SDKs\Windows\v6.1 SQL Server Log File: In case it helps 2010-01-30 12:58:59.01 Server Microsoft SQL Server 2008 (SP1) - 10.0.2531.0 (Intel X86) Mar 29 2009 10:27:29 Copyright (c) 1988-2008 Microsoft Corporation Express Edition on Windows NT 6.0 (Build 6002: Service Pack 2) 2010-01-30 12:58:59.01 Server (c) 2005 Microsoft Corporation. 2010-01-30 12:58:59.01 Server All rights reserved. 2010-01-30 12:58:59.01 Server Server process ID is 2268. 2010-01-30 12:58:59.01 Server System Manufacturer: 'Dell Inc.', System Model: 'Inspiron 1545'. 2010-01-30 12:58:59.01 Server Authentication mode is MIXED. 2010-01-30 12:58:59.02 Server Logging SQL Server messages in file 'c:\Program Files\Microsoft SQL Server\MSSQL10.SQLEXPRESS\MSSQL\Log\ERRORLOG'. 2010-01-30 12:58:59.02 Server This instance of SQL Server last reported using a process ID of 7396 at 1/30/2010 12:57:38 PM (local) 1/30/2010 5:57:38 PM (UTC). This is an informational message only; no user action is required. 2010-01-30 12:58:59.02 Server Registry startup parameters: -d c:\Program Files\Microsoft SQL Server\MSSQL10.SQLEXPRESS\MSSQL\DATA\master.mdf -e c:\Program Files\Microsoft SQL Server\MSSQL10.SQLEXPRESS\MSSQL\Log\ERRORLOG -l c:\Program Files\Microsoft SQL Server\MSSQL10.SQLEXPRESS\MSSQL\DATA\mastlog.ldf 2010-01-30 12:58:59.02 Server SQL Server is starting at normal priority base (=7). This is an informational message only. No user action is required. 2010-01-30 12:58:59.02 Server Detected 2 CPUs. This is an informational message; no user action is required. 2010-01-30 12:58:59.08 Server Using dynamic lock allocation. Initial allocation of 2500 Lock blocks and 5000 Lock Owner blocks per node. This is an informational message only. No user action is required. 2010-01-30 12:58:59.17 Server Node configuration: node 0: CPU mask: 0x00000003 Active CPU mask: 0x00000003. This message provides a description of the NUMA configuration for this computer. This is an informational message only. No user action is required. 2010-01-30 12:58:59.30 spid7s Starting up database 'master'. 2010-01-30 12:58:59.41 spid7s Recovery is writing a checkpoint in database 'master' (1). This is an informational message only. No user action is required. 2010-01-30 12:58:59.67 spid7s FILESTREAM: effective level = 0, configured level = 0, file system access share name = 'SQLEXPRESS'. 2010-01-30 12:58:59.92 spid7s SQL Trace ID 1 was started by login "sa". 2010-01-30 12:58:59.94 spid7s Starting up database 'mssqlsystemresource'. 2010-01-30 12:58:59.95 spid7s The resource database build version is 10.00.2531. This is an informational message only. No user action is required. 2010-01-30 12:59:00.82 spid7s Server name is 'DELL\SQLEXPRESS'. This is an informational message only. No user action is required. 2010-01-30 12:59:00.83 Server A self-generated certificate was successfully loaded for encryption. 2010-01-30 12:59:00.84 Server Server is listening on [ 'any' 1433]. 2010-01-30 12:59:00.84 Server Server is listening on [ 'any' 1433]. 2010-01-30 12:59:00.84 spid10s Starting up database 'model'. 2010-01-30 12:59:00.85 Server Server local connection provider is ready to accept connection on [ \\.\pipe\SQLLocal\SQLEXPRESS ]. 2010-01-30 12:59:00.86 Server Server local connection provider is ready to accept connection on [ \\.\pipe\MSSQL$SQLEXPRESS\sql\query ]. 2010-01-30 12:59:00.86 Server Dedicated administrator connection support was not started because it is disabled on this edition of SQL Server. If you want to use a dedicated administrator connection, restart SQL Server using the trace flag 7806. This is an informational message only. No user action is required. 2010-01-30 12:59:00.87 Server The SQL Server Network Interface library could not register the Service Principal Name (SPN) for the SQL Server service. Error: 0x54b, state: 3. Failure to register an SPN may cause integrated authentication to fall back to NTLM instead of Kerberos. This is an informational message. Further action is only required if Kerberos authentication is required by authentication policies. 2010-01-30 12:59:00.87 spid7s Informational: No full-text supported languages found. 2010-01-30 12:59:00.87 Server SQL Server is now ready for client connections. This is an informational message; no user action is required. 2010-01-30 12:59:00.91 spid7s Starting up database 'msdb'. 2010-01-30 12:59:01.21 spid10s Clearing tempdb database. 2010-01-30 12:59:02.78 spid10s Starting up database 'tempdb'. 2010-01-30 12:59:03.30 spid13s The Service Broker protocol transport is disabled or not configured. 2010-01-30 12:59:03.30 spid13s The Database Mirroring protocol transport is disabled or not configured. 2010-01-30 12:59:03.31 spid7s Recovery is complete. This is an informational message only. No user action is required. 2010-01-30 12:59:03.31 spid13s Service Broker manager has started.

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  • Server currently under DDOS, not sure what to do.

    - by Volex
    Hi, My web server is currently under a DDOS attack I believe, the messages log is full of these kind of messages: May 13 15:51:19 kernel: nf_conntrack: table full, dropping packet. May 13 15:51:19 last message repeated 9 times May 13 15:51:24 kernel: __ratelimit: 78 callbacks suppressed May 13 15:51:24 kernel: nf_conntrack: table full, dropping packet. May 13 15:52:06 kernel: possible SYN flooding on port 80. Sending cookies. and a netstat has a huge amount of the following: tcp 0 0 my.host.com:http bb176da0.virtua.com.br:4998 SYN_RECV tcp 0 0 my.host.com:http 187.0.43.109:2694 SYN_RECV tcp 0 0 my.host.com:http 109.229.4.145:1722 SYN_RECV tcp 0 0 my.host.com:http 189-84-163-244.sodobr:63267 SYN_RECV tcp 0 0 my.host.com:http bd66839d.virtua.com.br:3469 SYN_RECV tcp 0 0 my.host.com:http 69.101.56.190.dsl.int:52552 SYN_RECV tcp 0 0 my.host.com:http pc-62-230-47-190.cm.vt:2262 SYN_RECV tcp 0 0 my.host.com:http 189-84-163-244.sodobr:63418 SYN_RECV tcp 0 0 my.host.com:http pc-62-230-47-190.cm.vt:1741 SYN_RECV tcp 0 0 my.host.com:http zaq3d739320.zaq.ne.jp:2141 SYN_RECV tcp 0 0 my.host.com:http netacc-gpn-4-80-73.po:52676 SYN_RECV tcpdump shows: 7:11:08.564510 IP 187-4-1xx-4.xxx.ipd.brasiltelecom.net.br.54821 my.host.com.http: S 999692166:999692166(0) win 65535 17:11:08.566347 IP 114-44-171-67.dynamic.hinet.net.1129 my.host.com.http: S 605369055:605369055(0) win 65535 17:11:08.570210 IP 200-101-13-130.pvoce300.ipd.brasiltelecom.net.br.5590 my.host.com.http: S 2813379182:2813379182(0) win 16384 17:11:08.571290 IP dsl-189-143-30-99-dyn.prod-infinitum.com.mx.1615 my.host.com.http: S 281542700:281542700(0) win 65535 17:11:08.583847 IP dsl-189-143-30-99-dyn.prod-infinitum.com.mx.1617 my.host.com.http: S 499413892:499413892(0) win 65535 17:11:08.588680 IP 170.51.229.112.2569 my.host.com.http: S 2195084898:2195084898(0) win 65535 17:11:08.588773 IP gw2-1.211.ru.3180 my.host.com.http: F 2315901786:2315901786(0) ack 2620913033 win 64240 17:11:08.590656 IP 200-101-13-130.pvoce300.ipd.brasiltelecom.net.br.5614 my.host.com.http: S 2813715032:2813715032(0) win 16384 17:11:08.591212 IP 203.82.82.54.15848 my.host.com.http: S 4070423507:4070423507(0) win 16384 17:11:08.591254 IP 203.82.82.54.2545 my.host.com.http: S 1790910784:1790910784(0) win 16384 17:11:08.591289 IP 203.82.82.54.28306 my.host.com.http: S 578615626:578615626(0) win 16384 17:11:08.591591 IP gw2-1.211.ru.3191 my.host.com.http: F 2316435991:2316435991(0) ack 2634205972 win 64240 17:11:08.591790 IP 200-101-13-130.pvoce300.ipd.brasiltelecom.net.br.5593 my.host.com.http: S 2813659017:2813659017(0) win 16384 17:11:08.593691 IP gw2-1.211.ru.3203 my.host.com.http: F 2316834420:2316834420(0) ack 2629074987 win 64240 I'm not sure what I can do to limit/mitigate this, currently no webpages are being served, any help gratefully appreciated.

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  • HTTP: can GET and POST requests from a same machine come from different IPs?

    - by NoozNooz42
    I'm pretty sure I remember reading --but cannot find back the links anymore-- about this: on some ISP (including at least one big ISP in the U.S.) it is possible to have a user's GET and POST request appearing to come from different IPs. (note that this is totally programming related, and I'll give an example below) I'm not talking about having your IP adress dynamically change between two requests. I'm talking about this: IP 1: 123.45.67.89 IP 2: 101.22.33.44 The same user makes a GET, then a POST, then a GET again, then a POST again and the servers see this: - GET from IP 1 - POST from IP 2 - GET from IP 1 - POST from IP 2 So altough it's the same user, the webserver sees different IPs for the GET and the POSTs. Surely seen that HTTP is a stateless protocol this is perfectly legit right? I'd like to find back the explanation as to how/why certain ISP have their networks configured such that this may happen. I'm asking because someone asked me to implement the following IP filter and I'm pretty sure it is fundamentally broken code (breaking havoc for at least one major american ISP users). Here's a Java servlet filter that is supposed to protect against some attacks. The reasoning is that: "For any session filter checks that IP address in the request is the same that was used when session was created. So in this case session ID could not be stolen for forming fake sessions." http://www.servletsuite.com/servlets/protectsessionsflt.htm However I'm pretty sure this is inherently broken because there are ISPs where you may see GET and POST coming from different IPs. Any info on this subject is very welcome.

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  • SQL SERVER – 2000 – DBCC SQLPERF(waitstats) – Wait Type – Day 24 of 28

    - by pinaldave
    I have received many comments, email, suggestions and motivations for my current series of wait types and wait statistics. One of the questions which I keep on receiving almost every other day is whether all of the discussions I have presented so far are also applicable to SQL Server 2000. Additionally, I receive another question asking me if wait statistics matters in SQL Server 2000. If it is, then the asker wants to know how to measure wait types for SQL Server 2000. In SQL Server, you can run the following command to get a list of all the wait types: DBCC SQLPERF(waitstats) The query above will work in SQL Server 2005/2008/R2  because of backup compatibility. As you might have noticed, I have been discussing everything keeping SQL Server 2005+ in mind, but I have given little consideration on SQL Server 2000. However, I am pretty sure that most of the suggestions I have provided are applicable to SQL Server 2000. The wait types I have been discussing mostly exist in SQL Server 2000 as well. But the difference of the 2000 version is that it gets late recent releases, but it is worth it. Wait types are very essential to measure performance bottleneck. Because of this, I do not have to state that I am big fan of them just so I could identify performance bottleneck. Please read all the post in the Wait Types and Queue series. Note: The information presented here is from my experience and there is no way that I claim it to be accurate. I suggest reading Book OnLine for further clarification. All the discussion of Wait Stats in this blog is generic and varies from system to system. It is recommended that you test this on a development server before implementing it to a production server. Reference: Pinal Dave (http://blog.SQLAuthority.com) Filed under: Pinal Dave, PostADay, SQL, SQL Authority, SQL Query, SQL Scripts, SQL Server, SQL Tips and Tricks, SQL Wait Stats, SQL Wait Types, T SQL, Technology

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  • Howto use Windows Authentication with SQL Server 2008 Express on a workgroup network?

    - by mbadawi23
    I have two computers running SQL Server 2008 Express: c01 and c02, I setup both for remote connection using windows authentication. Worked fine for c02 but not for c01. This is the error message I'm getting: TITLE: Connect to Server Cannot connect to ACAMP001\SQLEXPRESS. ADDITIONAL INFORMATION: Login failed. The login is from an untrusted domain and cannot be used with Windows authentication. (Microsoft SQL Server, Error: 18452) For help, click: http://go.microsoft.com/fwlink?ProdName=Microsoft+SQL+Server&EvtSrc=MSSQLServer&EvtID=18452&LinkId=20476 BUTTONS: OK I don't know if I'm missing something, here is what I did: Enabled TCP/IP protocol for client from Sql Server Configuration Manager. Modified Windows firewall exceptions for respective ports. Started the Sql Browser service as a local service Added Windows user to this group: "SQLServerMSSQLUser$c01$SQLEXPRESS" From Management Studio, I added "SQLServerMSSQLUser$c01$SQLEXPRESS" to SQLEXPRESS instance's logins under security folder, and I granted sysadmin permissions to it. Restarted c01\SQLEXPRESS Restarted Sql Browser service. There is no domain here. It's only a workgroup. Please any help is appreciated, Thank you.

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  • Problem with importing an mdf created with SQL EXPRESS 2008 into SQL SERVER 2005 [an ASP.NET MVC pro

    - by user252160
    the question is probably extremely easy to resolve, but I need to resolve it because I need to carry on with my project. I am using SQLEXPRESS 2008 at home, and I've been working on an ASP.NET MVC app that stores my DB in an mdf file in the project's folder. The problem is that the SQL Server in the Uni labs is SQL SERVER 2005, and when I try to open the mdf file with the VS Server Explorer,It says that the version of the mdf file is more than the server can accept. The only oprion that comes to my mind is exporting the DB as an sql file, just like I've done it thousand times with phpmyadmin. the thing is that the SQL MANAGEMENT STUDIO EXPRESS is not the most usable tool in the world, and for some strange reason all the articles I could find in Google were irrelevant. Please, help.

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  • which lightweight SQL Server type could I use on my Dev machine for a C# VS2010 project?

    - by Greg
    Hi, Which lightweight SQL Server type could I use on my Dev machine for a C# VS2010 project? (e.g. sql server express, sql server ce, full version etc). That is, I'm running on a VMWare fusion instance on my MacBook, and just want something to develop against for a C# VS2010 project. I'm planning on having a simple database (not many tables) but will use Entity Framework. I haven't used SQL Server before so a quick pointer re what is the best database admin interface/app to use for the version you recommend (e.g. to create database, tables etc).

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  • SQL Server 2012 Maintenance Plan can't modify

    - by Crazyd
    Click on any created Maintenance Plan: TITLE: Microsoft SQL Server Management Studio Value cannot be null. Parameter name: component (System.Design) BUTTONS:OK Create a new Plan I get this error: TITLE: Maintenance Plan Wizard Progress Saving maintenance plan failed. ADDITIONAL INFORMATION: The SaveToSQLServer method has encountered OLE DB error code 0x80004005 (Unspecified error). The SQL statement that was issued has failed. The SaveToSQLServer method has encountered OLE DB error code 0x80004005 (Unspecified error). The SQL statement that was issued has failed. BUTTONS:OK Edit an already created Backup Plan: Error 1 Error loading 'BackupDb' : The LoadFromSQLServer method has encountered OLE DB error code 0x80004005 (Unspecified error). The SQL statement that was issued has failed. . server=SERVER;package=Maintenance Plans\BackupLeadsDb; 1 1 Attemped Solutions: I've changed password for SA Account; I use Windows Authentication to log in; and I've registered C:\Program Files (x86)\Microsoft SQL Server\110\DTS\Binn\DTS.dll. Repair SQL Server 2012, Uninstall/ReInstall SQL Server 2012.

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  • IIS 7.5 Custom HTTP Response Headers Not Working

    - by Craig
    Trying to setup custom HTTP Response Headers on a new install of IIS7.5 on Windows Server 2008 R2 Standard and they are not working. Default headers work fine (X-Powered-By, etc...). Modifying default header values work (ie. change X-Powered-By to ASP.NET2). Modifying default header names cause header to stop being output (ie. Change X-Powered-By to X-Powered-By2). Site in question is a test site with a single html page. Custom headers also don't work on ASP.NET 2.0 site. I've tried setting the headers at the global level and at the site level to no effect.

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  • Installing Application Server Windows Web Server 2008 Enterprise

    - by Levi
    I am just starting out with Web Server 2008 and I am having some trouble working with the Roles Manager. I am working on installing the Application Server using the Roles Manager and what I am running into is that it will run me through the install and then alert me that the install file for .NET 3.0 is not found. ("The source for the specified file was not found. error value: 0x800F081F") I think tried to install 3.0 manually and I was told I cannot do so. So I basically wondering if there was somewhere for me to place the install file so Roles can access it. Thanks Levi

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  • Windows Server 2008 System State Backup

    - by MJ
    What I'm looking for, is info on what is contained in the server 2008 system state backup. It is incredibly large (10+ G), and annoying to backup remotely. is there a way to take a full system state, and then do like a weekly incremental? I know the wbadmin tool, but its options are limited. I'm also looking for the option to remove the 2nd or 3rd oldest backup.

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  • Http 400 'Bad Request' and win32status 1450 when larger messages are sended to a WCF service

    - by Tim Mahy
    Hi all, we sometimes receive Http 400 bad request resultcodes when posting a large file (10mb) to a WCF service hosted in IIS 6. We can reproduce this using SOAP UI and it seems that it is unpredictable when this happens. In our WCF log the call is not received, so we believe that the request does not reach the ASP.NET nor WCF runtime. This happens on multiple websites on the same machine each having their own application pool. All IIS settings are default, only in ASP.NET and WCF we allow bigger readerQuota's etc.... The win32status that is logged in the IIS log is 1450 which we think means "error no system resources". So now the question: a) how can we solve this b) (when a is not applicable :) ) which performance counters or logs are usefull to learn more about this problem? greetings, Tim

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  • custom MAIL server -> Proxy Server -> Gmail Server

    - by Eugene
    So I have some custom VPS which route emails via MX record in DNS. And I need to setup gmail interface via Google Apps - this step and previous are clear. But how can I insert some middle layer, to check emails messages for special words/etc., so something like spam assasin proxy, but custom product. The question is: How could i setup proxy mail from my server = to proxy server(or application) = to gmail servers? Thank you, for any help!

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  • Looking for QNX compatible server hardware

    - by Sergey Sobolev
    Can you help me to find compatible modern server for QNX, please? This is quite rare OS, so most of the hardware vendors do not have compatibility information. It would be very helpful to me if you can do the following: Download iso http://www.qnx.com/download/download/19602/qnxsdp-6.4.1-x86-200905201802-nto.iso burn to cd Start from cd press F2 - try from CD start Utilities/Terminal run sloginfo /tmp/sloginfo.log; get_hw_info; pci -vvv /tmp/pci-vvv.log send logs from /tmp/ to [email protected] with system model/build I will summarize results afterwards and post them here. I'm especially interested in Fujitsu RX100 S5 as it looks like one of the most compatible servers with frontally accessible HDDs.

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