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  • Has anyone properly interpreted HTTP request based on this demo of winpcap?

    - by httpinterpret
    The example is here, and I tried it by changing the filter to tcp and dst port 80 and the following: void packet_handler(u_char *param, const struct pcap_pkthdr *header, const u_char *pkt_data) { .... ip_len = (ih->ver_ihl & 0xf) * 4; tcp_len = (((u_char*)ih)[ip_len + 12] >> 4) * 4; tcpPayload = (u_char*)ih + ip_len + tcp_len; /* start of url - skip "GET " */ url = tcpPayload + 4; end_url = strchr((char*)url, ' '); url_length = end_url - url; final_url = (u_char*)malloc(url_length + 1); strncpy((char*)final_url, (char*)url, url_length); final_url[url_length] = '\0'; printf("%s\n", final_url); .... } But through debug, I see tcpPayload is full of messy code,not supposed "GET ..." stuff. What's wrong with my implement?

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  • When to update audit fields? DDD

    - by user676767
    I have a Meeting Object: Meeting{id, name, time, CreatedBy, UpdatedBy} and a MeetingAssignee{id, MeetingID, EmployeeId, CreatedBy, UpdatedBy) Meeting, as Aggregate root, has a method AssignEmployee. I was about to pass in the current user to the Meeting object as I call AssignEmployee, so that it can update its audit fields accordingly. But this doesn't seem right - is it? Obviously I can keep the audit fields public and change them later - perhaps at service level? What is everyone's else preferred method for updating these fields? Please note: We are not using Nhibernate, but a custom ORM which does not have anything automatic in place. Thanks.

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  • problems piping in node.js

    - by alvaizq
    We have the following example in node.js var http = require('http'); http.createServer(function(request, response) { var proxy = http.createClient(8083, '127.0.0.1') var proxy_request = proxy.request(request.method, request.url, request.headers); proxy_request.on('response', function (proxy_response) { proxy_response.pipe(response); response.writeHead(proxy_response.statusCode, proxy_response.headers); }); setTimeout(function(){ request.pipe(proxy_request); },3000); }).listen(8081, '127.0.0.1'); The example listen to a request in 127.0.0.1:8081 and sends it to a dummy server (always return 200 OK status code) in 127.0.0.1:8083. The problem is in the pipe among the input stream (readable) and output stream (writable) when we have a async module before (in this case the setTimeOut timing). The pipe doesn't work and nothing is sent to dummy server in 8083 port. Maybe, when we have a async call (in this case the setTimeOut) before the pipe call, the inputstream change to a state "not readable", and after the async call the pipe doesn't send anything. This is just an example...we test it with more async modules from node.js community with the same result (ldapjs, etc)... We try to fix it with: - request.readable =true; //before pipe call - request.pipe(proxy_request, {end : false}); with the same result (the pipe doesn't work). Can anybody help us? Many thanks in advanced and best regards,

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  • How do you make the script wait for the status of an Ajax get request before continuing?

    - by codeninja
    Basically what I'm doing is checking for the existence of an object, if it's not found, the script will try to load the source file using getScript. I only want to check this once though then return true or false to the function that calls fetch() fetch:function(obj){ ... isReady = false; $.getScript(obj.srcFile,function(){ isReady=true; warn("was able to load object "+key); }); return isReady; } but return kicks in before the script loads =/ later the script is loaded but the function returned false. This is the beauty of asynchronous I suppose... What's the best way to handle this... Maybe I could check again at some other point if the object exists? Or maybe there's a better way to do this where I dont have to potentially lock the browser?

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  • How do I rewrite a request by hostname unless it is a specified value?

    - by Tim
    My app will have a regular domain - let's say example.com - which will have information about logging in, signing up, etc. It will also host numerous other domains dynamically. My app serves the webpage for these at http://example.com/site/foobar.com/ So, I need to redirect all requests where the hostname is not example.com to /site/[hostname]/ I'm writing this in Django and hosting with Apache. How do I set up a rewrite rule to do this? The user must not know they are on any other site but foobar.com and if the user browses to foobar.com/something - the URL must be rewritten to /site/foobar.com/something

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  • noob: how to show login error message on the same page after php server processes request.

    - by funbar
    Hi, I have a login page. User first enters information and submits the form. And I have a php script that will see if the user exists. If( authenticated == true) { // I do a redirect } else { // I want to popup an error message on the same page. } 1) I'm not sure how to show the popup message, I would like to make my div element visible with an error message returned from the server, I would have to use Ajax, right? But how? Or are there alternatives which are just as good.

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  • Using Javascript to detect the bottom of the window and ignoring all events when a request is loading

    - by Aaron Reba
    I have an anonymous function to detect the user has scrolled to the bottom of the window. Inside of the anonymous function, I have a call to a database that takes a while to complete. var allowing_more = 1; $(window).scroll(function() { if (allowing_more == 1){ if ($(window).scrollTop() + $(window).height() == $(document).height()) { allowing_more = 0; //query allowing_more = 1; } } }); In this time, if the user scrolls to the bottom of the window again, it seems a queue is made holding the occurences the user scrolled to the bottom of the window while the query was loading. Upon completing of the query, these occurences are then executed. I have a boolean statement to detect if the anonymous function is accepting more query requests but this seems to be ignored. Is there some sort of way to ignore an anonymous function temporarily and re-enable it?

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  • Are all "GET" requests to JSF "Initial Request"s?

    - by Pradyumna
    Hi, In JSF 1.1, I am assuming that GET requests are treated as initial requests (resulting in the creation of a new view), and POST requests are treated as Postbacks (resulting in the restoration of the old view). However, my application is behaving differently - it restores the same old view even for GET requests. Why does this happen? Is there a way to force the creation of a new view for GET requests? (My state-saving method is 'server'. I'm using MyFaces with JSP, and I have a t:saveState on a managed bean in the view) Regards, Pradyumna

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  • Why each request with activerecord is doing SHOW TABLE?

    - by dynback.com
    My test page is processed if believe to trace in 46 ms, while 11 of them I am doing this 20:53:06.111597 system.db.CDbConnection Opening DB connection 20:53:06.118046 system.db.CDbCommand Querying SQL: SHOW COLUMNS FROM `questions` 20:53:06.122476 system.db.CDbCommand Querying SQL: SHOW CREATE TABLE `questions` Is this obligatory?

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  • How to write UIWebView with default request address is like (192.168.1.1)..

    - by user323503
    i have implemented UIWebView in my application but i default address is "192.168.1.1" but it is not open default it and i have tried with "http://www.google.com" it is working fine. [iview loadRequest:[NSURLRequest requestWithURL:[NSURL URLWithString:@"192.168.1.1"]]]; it doesn't working and it is working with [iview loadRequest:[NSURLRequest requestWithURL:[NSURL URLWithString:@"http://www.google.com"]]];

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  • How to send data many times to web browser in response to one request?

    - by robert_d
    I have a form on my web page, it allows to submit many queries to my website, every query is on a separate line in TextArea. Because waiting for all queries to complete is too long I would like to update the web page after every query completes - send result of one query to a web browser, new result should be appended to old results that are already on the web page. How to do this in ASP.NET MVC 2? I will be grateful for helpful responses.

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  • Access database Need to prevent from approving overlapping OT.Second Try with modified request Not a programmer [on hold]

    - by user2512764
    Employees Signups on company Website for advance overtime line. Access table already has overtime signups which does not require user to add the time but it requires only to add location as approved. Since this table has field Employee name, Date, start time and End time and location, All the fields has the data except for location. In the data base I have created a form based on this table. Since the table already have most of the information User only has to add location in the form field in order to approve overtime. Once user approves an overtime line for example: User approves overtime for employee name 'John' which starts on 7/1/2013 at 0400-0800, location is successfully added. When user tries to add location for John again which might has the start time for 7/1/2013 at 0600=0900. Again we are not entering Start time, End time and date it is already in the table. we are only entering location as approval. Soon user enters the location for John in the form field, since there is a conflict with previously overtime line which has already been approved. program needs to check employee name, date and time in previously approved (Added location) overtime line and The location in current record needs to be deleted and go to next record. I hope I have explained it in understandable format. Thank You,

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  • Change a link's href value based on time

    - by justSteve
    I'm coding a 'Connect to Meeting' page where i would like the link that allows attendees to join our GoToMeeting event to 'become active' 15 minutes prior to the start time. So the page users visit to see the connection info (meetingID, password) includes the start time of the meeting. I need a button ('Connect To Meeting') to change from inactive to Active when [Now() < (StartTime()-15minutes)].

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  • Load the main page if user visits a page meant for an ajax request?

    - by QAZ
    Hello, I am using jQuery for a simple website and have a main page 'index.html' which can load some content (e.g. 'info1.html' or 'info2.html') via jQuery ajax requests, and display the result of these requests inside an element in the 'index.html' page. If a user somehow visits say 'info1.html' directly, is their a way to redirect or load the main 'index.html' page? (or what's best practice for this type of thing) as Google is indexing all the small html files used for the ajax requests and sometimes a user can click into the site via these pages. Thanks.

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  • Load the main page if user visits a page ment for an ajax request?

    - by QAZ
    Hello, I am using jQuery for a simple website and have a main page 'index.html' which can load some content (e.g. 'info1.html' or 'info2.html') via jQuery ajax requests, and display the result of these requests inside an element in the 'index.html' page. If a user somehow visits say 'info1.html' directly, is their a way to redirect or load the main 'index.html' page? (or what's best practise for this type of thing) as Google is indexing all the small html files used for the ajax requests and sometimes a user can click into the site via these pages. Thanks.

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  • SQL SERVER – PAGEIOLATCH_DT, PAGEIOLATCH_EX, PAGEIOLATCH_KP, PAGEIOLATCH_SH, PAGEIOLATCH_UP – Wait Type – Day 9 of 28

    - by pinaldave
    It is very easy to say that you replace your hardware as that is not up to the mark. In reality, it is very difficult to implement. It is really hard to convince an infrastructure team to change any hardware because they are not performing at their best. I had a nightmare related to this issue in a deal with an infrastructure team as I suggested that they replace their faulty hardware. This is because they were initially not accepting the fact that it is the fault of their hardware. But it is really easy to say “Trust me, I am correct”, while it is equally important that you put some logical reasoning along with this statement. PAGEIOLATCH_XX is such a kind of those wait stats that we would directly like to blame on the underlying subsystem. Of course, most of the time, it is correct – the underlying subsystem is usually the problem. From Book On-Line: PAGEIOLATCH_DT Occurs when a task is waiting on a latch for a buffer that is in an I/O request. The latch request is in Destroy mode. Long waits may indicate problems with the disk subsystem. PAGEIOLATCH_EX Occurs when a task is waiting on a latch for a buffer that is in an I/O request. The latch request is in Exclusive mode. Long waits may indicate problems with the disk subsystem. PAGEIOLATCH_KP Occurs when a task is waiting on a latch for a buffer that is in an I/O request. The latch request is in Keep mode. Long waits may indicate problems with the disk subsystem. PAGEIOLATCH_SH Occurs when a task is waiting on a latch for a buffer that is in an I/O request. The latch request is in Shared mode. Long waits may indicate problems with the disk subsystem. PAGEIOLATCH_UP Occurs when a task is waiting on a latch for a buffer that is in an I/O request. The latch request is in Update mode. Long waits may indicate problems with the disk subsystem. PAGEIOLATCH_XX Explanation: Simply put, this particular wait type occurs when any of the tasks is waiting for data from the disk to move to the buffer cache. ReducingPAGEIOLATCH_XX wait: Just like any other wait type, this is again a very challenging and interesting subject to resolve. Here are a few things you can experiment on: Improve your IO subsystem speed (read the first paragraph of this article, if you have not read it, I repeat that it is easy to say a step like this than to actually implement or do it). This type of wait stats can also happen due to memory pressure or any other memory issues. Putting aside the issue of a faulty IO subsystem, this wait type warrants proper analysis of the memory counters. If due to any reasons, the memory is not optimal and unable to receive the IO data. This situation can create this kind of wait type. Proper placing of files is very important. We should check file system for the proper placement of files – LDF and MDF on separate drive, TempDB on separate drive, hot spot tables on separate filegroup (and on separate disk), etc. Check the File Statistics and see if there is higher IO Read and IO Write Stall SQL SERVER – Get File Statistics Using fn_virtualfilestats. It is very possible that there are no proper indexes on the system and there are lots of table scans and heap scans. Creating proper index can reduce the IO bandwidth considerably. If SQL Server can use appropriate cover index instead of clustered index, it can significantly reduce lots of CPU, Memory and IO (considering cover index has much lesser columns than cluster table and all other it depends conditions). You can refer to the two articles’ links below previously written by me that talk about how to optimize indexes. Create Missing Indexes Drop Unused Indexes Updating statistics can help the Query Optimizer to render optimal plan, which can only be either directly or indirectly. I have seen that updating statistics with full scan (again, if your database is huge and you cannot do this – never mind!) can provide optimal information to SQL Server optimizer leading to efficient plan. Checking Memory Related Perfmon Counters SQLServer: Memory Manager\Memory Grants Pending (Consistent higher value than 0-2) SQLServer: Memory Manager\Memory Grants Outstanding (Consistent higher value, Benchmark) SQLServer: Buffer Manager\Buffer Hit Cache Ratio (Higher is better, greater than 90% for usually smooth running system) SQLServer: Buffer Manager\Page Life Expectancy (Consistent lower value than 300 seconds) Memory: Available Mbytes (Information only) Memory: Page Faults/sec (Benchmark only) Memory: Pages/sec (Benchmark only) Checking Disk Related Perfmon Counters Average Disk sec/Read (Consistent higher value than 4-8 millisecond is not good) Average Disk sec/Write (Consistent higher value than 4-8 millisecond is not good) Average Disk Read/Write Queue Length (Consistent higher value than benchmark is not good) 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 of the discussions 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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  • SQL SERVER – PAGELATCH_DT, PAGELATCH_EX, PAGELATCH_KP, PAGELATCH_SH, PAGELATCH_UP – Wait Type – Day 12 of 28

    - by pinaldave
    This is another common wait type. However, I still frequently see people getting confused with PAGEIOLATCH_X and PAGELATCH_X wait types. Actually, there is a big difference between the two. PAGEIOLATCH is related to IO issues, while PAGELATCH is not related to IO issues but is oftentimes linked to a buffer issue. Before we delve deeper in this interesting topic, first let us understand what Latch is. Latches are internal SQL Server locks which can be described as very lightweight and short-term synchronization objects. Latches are not primarily to protect pages being read from disk into memory. It’s a synchronization object for any in-memory access to any portion of a log or data file.[Updated based on comment of Paul Randal] The difference between locks and latches is that locks seal all the involved resources throughout the duration of the transactions (and other processes will have no access to the object), whereas latches locks the resources during the time when the data is changed. This way, a latch is able to maintain the integrity of the data between storage engine and data cache. A latch is a short-living lock that is put on resources on buffer cache and in the physical disk when data is moved in either directions. As soon as the data is moved, the latch is released. Now, let us understand the wait stat type  related to latches. From Book On-Line: PAGELATCH_DT Occurs when a task is waiting on a latch for a buffer that is not in an I/O request. The latch request is in Destroy mode. PAGELATCH_EX Occurs when a task is waiting on a latch for a buffer that is not in an I/O request. The latch request is in Exclusive mode. PAGELATCH_KP Occurs when a task is waiting on a latch for a buffer that is not in an I/O request. The latch request is in Keep mode. PAGELATCH_SH Occurs when a task is waiting on a latch for a buffer that is not in an I/O request. The latch request is in Shared mode. PAGELATCH_UP Occurs when a task is waiting on a latch for a buffer that is not in an I/O request. The latch request is in Update mode. PAGELATCH_X Explanation: When there is a contention of access of the in-memory pages, this wait type shows up. It is quite possible that some of the pages in the memory are of very high demand. For the SQL Server to access them and put a latch on the pages, it will have to wait. This wait type is usually created at the same time. Additionally, it is commonly visible when the TempDB has higher contention as well. If there are indexes that are heavily used, contention can be created as well, leading to this wait type. Reducing PAGELATCH_X wait: The following counters are useful to understand the status of the PAGELATCH: Average Latch Wait Time (ms): The wait time for latch requests that have to wait. Latch Waits/sec: This is the number of latch requests that could not be granted immediately. Total Latch Wait Time (ms): This is the total latch wait time for latch requests in the last second. If there is TempDB contention, I suggest that you read the blog post of Robert Davis right away. He has written an excellent blog post regarding how to find out TempDB contention. The same blog post explains the terms in the allocation of GAM, SGAM and PFS. If there was a TempDB contention, Paul Randal explains the optimal settings for the TempDB in his misconceptions series. Trace Flag 1118 can be useful but use it very carefully. I totally understand that this blog post is not as clear as my other blog posts. I suggest if this wait stats is on one of your higher wait type. Do leave a comment or send me an email and I will get back to you with my solution for your situation. May the looking at all other wait stats and types together become effective as this wait type can help suggest proper bottleneck in your system. 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 discussions of Wait Stats in this blog are generic and vary 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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  • can't login to Unity always login to Unity 2D

    - by Goddard
    I select Ubuntu on login and it always loads Unity 2D. I ran /usr/lib/nux/unity_support_test -p And got this error X Error of failed request: BadWindow (invalid Window parameter) Major opcode of failed request: 137 (NV-GLX) Minor opcode of failed request: 4 () Resource id in failed request: 0x21f Serial number of failed request: 42 Current serial number in output stream: 42 I'm using 12.04 with all the latest updates. nvidia-installer --version nvidia-installer: version 295.53 ([email protected]) Sat May 12 00:34:26 PDT 2012 The NVIDIA Software Installer for Unix/Linux. This program is used to install, upgrade and uninstall The NVIDIA Accelerated Graphics Driver Set for Linux-x86_64. Copyright (C) 2003 - 2010 NVIDIA Corporation.

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  • Vagrant (Virtualbox) host-only multiple node networking issue

    - by Lorin Hochstein
    I'm trying to use a multi-VM vagrant environment as a testbed for deploying OpenStack, and I've run into a networking problem with trying to communicate from one VM, to a VM-inside-of-a-VM. I have two Vagrant nodes, a cloud controller node and a compute node. I'm using host-only networking. My Vagrantfile looks like this: Vagrant::Config.run do |config| config.vm.box = "precise64" config.vm.define :controller do |controller_config| controller_config.vm.network :hostonly, "192.168.206.130" # eth1 controller_config.vm.network :hostonly, "192.168.100.130" # eth2 controller_config.vm.host_name = "controller" end config.vm.define :compute1 do |compute1_config| compute1_config.vm.network :hostonly, "192.168.206.131" # eth1 compute1_config.vm.network :hostonly, "192.168.100.131" # eth2 compute1_config.vm.host_name = "compute1" compute1_config.vm.customize ["modifyvm", :id, "--memory", 1024] end end When I try to start up a (QEMU-based) VM, it boots successfully on compute1, and its virtual nic (vnet0) is connected via a bridge, br100: root@compute1:~# brctl show 100 bridge name bridge id STP enabled interfaces br100 8000.08002798c6ef no eth2 vnet0 When the QEMU VM makes a request to the DHCP server (dnsmasq) running on controller, I can see the request reaches the controller because of the output on the syslog on the controller: Aug 6 02:34:56 precise64 dnsmasq-dhcp[12042]: DHCPDISCOVER(br100) fa:16:3e:07:98:11 Aug 6 02:34:56 precise64 dnsmasq-dhcp[12042]: DHCPOFFER(br100) 192.168.100.2 fa:16:3e:07:98:11 However, the DHCPOFFER never makes it back to the VM running on compute1. If I watch the requests using tcpdump on the vboxnet3 interface on my host machine that runs Vagrant (Mac OS X), I can see both the requests and the replies $ sudo tcpdump -i vboxnet3 -n port 67 or port 68 tcpdump: WARNING: vboxnet3: That device doesn't support promiscuous mode (BIOCPROMISC: Operation not supported on socket) tcpdump: verbose output suppressed, use -v or -vv for full protocol decode listening on vboxnet3, link-type EN10MB (Ethernet), capture size 65535 bytes 22:51:20.694040 IP 0.0.0.0.68 > 255.255.255.255.67: BOOTP/DHCP, Request from fa:16:3e:07:98:11, length 280 22:51:20.694057 IP 0.0.0.0.68 > 255.255.255.255.67: BOOTP/DHCP, Request from fa:16:3e:07:98:11, length 280 22:51:20.696047 IP 192.168.100.1.67 > 192.168.100.2.68: BOOTP/DHCP, Reply, length 311 22:51:23.700845 IP 0.0.0.0.68 > 255.255.255.255.67: BOOTP/DHCP, Request from fa:16:3e:07:98:11, length 280 22:51:23.700876 IP 0.0.0.0.68 > 255.255.255.255.67: BOOTP/DHCP, Request from fa:16:3e:07:98:11, length 280 22:51:23.701591 IP 192.168.100.1.67 > 192.168.100.2.68: BOOTP/DHCP, Reply, length 311 22:51:26.705978 IP 0.0.0.0.68 > 255.255.255.255.67: BOOTP/DHCP, Request from fa:16:3e:07:98:11, length 280 22:51:26.705995 IP 0.0.0.0.68 > 255.255.255.255.67: BOOTP/DHCP, Request from fa:16:3e:07:98:11, length 280 22:51:26.706527 IP 192.168.100.1.67 > 192.168.100.2.68: BOOTP/DHCP, Reply, length 311 But, if I tcpdump on eth2 on compute, I only see the requests, not the replies: root@compute1:~# tcpdump -i eth2 -n port 67 or port 68 tcpdump: WARNING: eth2: no IPv4 address assigned tcpdump: verbose output suppressed, use -v or -vv for full protocol decode listening on eth2, link-type EN10MB (Ethernet), capture size 65535 bytes 02:51:20.240672 IP 0.0.0.0.68 > 255.255.255.255.67: BOOTP/DHCP, Request from fa:16:3e:07:98:11, length 280 02:51:23.249758 IP 0.0.0.0.68 > 255.255.255.255.67: BOOTP/DHCP, Request from fa:16:3e:07:98:11, length 280 02:51:26.258281 IP 0.0.0.0.68 > 255.255.255.255.67: BOOTP/DHCP, Request from fa:16:3e:07:98:11, length 280 At this point, I'm stuck. I'm not sure why the DHCP replies aren't making it to the compute node. Perhaps it has something to do with the configuration of the VirtualBox virtual switch/router? Note that eth2 interfaces on both nodes have been set to promiscuous mode.

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  • Avoiding That Null Reference!

    - by TheJuice
    A coworker had this conversation with another of our developers. Names have been changed to protect the guilty. Clueless: hey! Clueless: I am using the ?? operator for null check below Nice Guy: hey Clueless: FundLoanRequestBoatCollateral boatCollateral = request.BoatCollateral ?? null; Nice Guy: that's not exactly how it works Clueless: I want to achive: FundLoanRequestBoatCollateral boatCollateral = request.BoatCollateral != null ? request.BoatCollateral : null; Clueless: isnt that equal to:  FundLoanRequestBoatCollateral boatCollateral = request.BoatCollateral ?? null; Nice Guy: that is functionally equivalent to FundLoanRequestBoatCollateral boatCollateral = request.BoatCollateral Nice Guy: you're checking if it's null and if so setting it to null Clueless: yeah Clueless: if its null I want to set it to null Nice Guy: if it's null then you're already going to set it to null, no special logic needed Clueless: I wanted to avoid a null reference if BoatCollateral is null   The sad part of all of this is that "Clueless" has been with our company for years and has a Master's in Computer Science.

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  • Does ModSecurity 2.7.1 work with ASP.NET MVC 3?

    - by autonomatt
    I'm trying to get ModSecurity 2.7.1 to work with an ASP.NET MVC 3 website. The installation ran without errors and looking at the event log, ModSecurity is starting up successfully. I am using the modsecurity.conf-recommended file to set the basic rules. The problem I'm having is that whenever I am POSTing some form data, it doesn't get through to the controller action (or model binder). I have SecRuleEngine set to DetectionOnly. I have SecRequestBodyAccess set to On. With these settings, the body of the POST never reaches the controller action. If I set SecRequestBodyAccess to Off it works, so it's definitely something to do with how ModSecurity forwards the body data. The ModSecurity debug shows the following (looks to me as if all passed through): Second phase starting (dcfg 94b750). Input filter: Reading request body. Adding request argument (BODY): name "[0].IsSelected", value "on" Adding request argument (BODY): name "[0].Quantity", value "1" Adding request argument (BODY): name "[0].VariantSku", value "047861" Adding request argument (BODY): name "[1].Quantity", value "0" Adding request argument (BODY): name "[1].VariantSku", value "047862" Input filter: Completed receiving request body (length 115). Starting phase REQUEST_BODY. Recipe: Invoking rule 94c620; [file "*********************"] [line "54"] [id "200001"]. Rule 94c620: SecRule "REQBODY_ERROR" "!@eq 0" "phase:2,auditlog,id:200001,t:none,log,deny,status:400,msg:'Failed to parse request body.',logdata:%{reqbody_error_msg},severity:2" Transformation completed in 0 usec. Executing operator "!eq" with param "0" against REQBODY_ERROR. Operator completed in 0 usec. Rule returned 0. Recipe: Invoking rule 5549c38; [file "*********************"] [line "75"] [id "200002"]. Rule 5549c38: SecRule "MULTIPART_STRICT_ERROR" "!@eq 0" "phase:2,auditlog,id:200002,t:none,log,deny,status:44,msg:'Multipart request body failed strict validation: PE %{REQBODY_PROCESSOR_ERROR}, BQ %{MULTIPART_BOUNDARY_QUOTED}, BW %{MULTIPART_BOUNDARY_WHITESPACE}, DB %{MULTIPART_DATA_BEFORE}, DA %{MULTIPART_DATA_AFTER}, HF %{MULTIPART_HEADER_FOLDING}, LF %{MULTIPART_LF_LINE}, SM %{MULTIPART_MISSING_SEMICOLON}, IQ %{MULTIPART_INVALID_QUOTING}, IP %{MULTIPART_INVALID_PART}, IH %{MULTIPART_INVALID_HEADER_FOLDING}, FL %{MULTIPART_FILE_LIMIT_EXCEEDED}'" Transformation completed in 0 usec. Executing operator "!eq" with param "0" against MULTIPART_STRICT_ERROR. Operator completed in 0 usec. Rule returned 0. Recipe: Invoking rule 554bd70; [file "********************"] [line "80"] [id "200003"]. Rule 554bd70: SecRule "MULTIPART_UNMATCHED_BOUNDARY" "!@eq 0" "phase:2,auditlog,id:200003,t:none,log,deny,status:44,msg:'Multipart parser detected a possible unmatched boundary.'" Transformation completed in 0 usec. Executing operator "!eq" with param "0" against MULTIPART_UNMATCHED_BOUNDARY. Operator completed in 0 usec. Rule returned 0. Recipe: Invoking rule 554cbe0; [file "*********************************"] [line "94"] [id "200004"]. Rule 554cbe0: SecRule "TX:/^MSC_/" "!@streq 0" "phase:2,log,auditlog,id:200004,t:none,deny,msg:'ModSecurity internal error flagged: %{MATCHED_VAR_NAME}'" Rule returned 0. Hook insert_filter: Adding input forwarding filter (r 5541fc0). Hook insert_filter: Adding output filter (r 5541fc0). Initialising logging. Starting phase LOGGING. Recording persistent data took 0 microseconds. Audit log: Ignoring a non-relevant request. I can't see anything unusual in Fiddler. I'm using a ViewModel in the parameters of my action. No data is bound if SecRequestBodyAccess is set to On. I'm even logging all the Request.Form.Keys and values via log4net, but not getting any values there either. I'm starting to wonder if ModSecurity actually works with ASP.NET MVC or if there is some conflict with the ModSecurity http Module and the model binder kicking in. Does anyone have any suggestions or can anyone confirm they have ModSecurity working with an ASP.NET MVC website?

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