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• What is the secure way to isolate ftp server users on unix?

  - by djs

  I've read documentation for various ftp daemons and various long threads about the security implications of using a chroot environment for an ftp server when giving users write access. If you read the vsftpd documentation, in particular, it implies that using chroot_local_user is a security hazard, while not using it is not. There seems to be no coverage of the implications of allowing the user access to the entire filesystem (as permitted by their user and group membership), nor to the confusion this can create. So, I'd like to understand what is the correct method to use in practice. Should an ftp server with authenticated write-access users provide a non-chroot environment, a chroot environment, or some other option? Given that Windows ftp daemons don't have the option to use chroot, they need to implement isolation otherwise. Do any unix ftp daemons do something similar?

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• Problem Writing to Samba Share

  - by Chris

  Hello, I have had a problem writing to a Samba Share I believe you have the answer in this post that you posted in October. Can you tell me how to do this? Thank you very much "On the Samba server, you need to ensure that the nobody user has write permissions to /Windows_Backups/DC. You're forcing everyone to be impersonated by the nobody account, so that account will need file-level permissions on that share directory. Samba will respect local permissions when figuring out who can write where, in this case it is somewhat like Windows."

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• What is the/Is there a right way to tell management that our code sucks?

  - by Azkar

  Our code is bad. It might not have always been considered bad, but it is bad and is only going downhill. I started fresh out of college less than a year ago, and many of the things in our code puzzle me beyond belief. At first I figured that as the new guy I should keep my mouth shut until I learned a little more about our code base, but I've seen plenty to know that it's bad. Some of the highlights: We still use frames (try getting something out of a querystring, almost impossible) VBScript Source Safe We 'use' .NET - by that I mean we have .net wrappers that call COM DLLs making it almost impossible to debug easily Everything is basically one giant function Code is not maintainable. Each page has multiple files that are created every time a new page is made. The main page basically does Response.Write() a bunch of times to render the HTML (runat="server"? no way). After that there can be a lot of logic on the client side (VBScript), and finally the page submits to itself (often time storing many things in hidden fields) where it then posts to a processing page which can do things such as save the data to the database. The specifications we get are laughable. Often times they call for things like "auto-populate field X with either field Y or field Z" with no indication of when to choose field Y or field Z. I'm sure some of this is a result of not being employed at a software company, but I feel as if people writing software should at least care about the quality of their code. I can't even imagine that if I were to bring something up that anything would be done soon, as there is a large deadline looming, but we are continuing to write bad code and use bad practices. What can I do? How do I even bring these issues up? 75% of my team agree with me and have brought up these issues in the past, yet nothing gets changed.

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• How much data validation is too much? [closed]

  - by adbertram

  Possible Duplicate: Data input validation - Where? How much? I'm a new PHP developer and am into Powershell quite a bit but this question is language agnostic. I've been questioning my code quite a bit lately thinking about how many nets I should setup to catch exceptions, verify results, etc. I realize that I could go crazy trying to verify each and every line of code but at the same time I want the code as resilient as possible. I'm not talking about user input but verifying output from methods. Is there some standard or rule of thumb to go by when deciding when and where to do data validation?

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• Entry level engineer question regarding memory management

  - by Ealianis

  It has been a few months since I started my position as an entry level software developer. Now that I am past some learning curves (e.g. the language, jargon, syntax of VB and C#) I'm starting to focus on more esoteric topics, as to write better software. A simple question I presented to a fellow coworker was responded with "I'm focusing on the wrong things." While I respect this coworker I do disagree that this is a "wrong thing" to focus upon. Here was the code (in VB) and followed by the question. Note: The Function GenerateAlert() returns an integer. Dim alertID as Integer = GenerateAlert() _errorDictionary.Add(argErrorID, NewErrorInfo(Now(), alertID)) vs... _errorDictionary.Add(argErrorID, New ErrorInfo(Now(), GenerateAlert())) I originally wrote the latter and rewrote it with the "Dim alertID" so that someone else might find it easier to read. But here was my concern and question: Should one write this with the Dim AlertID, it would in fact take up more memory; finite but more, and should this method be called many times could it lead to an issue? How will .NET handle this object AlertID. Outside of .NET should one manually dispose of the object after use (near the end of the sub). I want to ensure I become a knowledgeable programmer that does not just rely upon garbage collection. Am I over thinking this? Am I focusing on the wrong things?

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• Stream tar.gz file from FTP server

  - by linker

  Here is the situation: I have a tar.gz file on a FTP server which can contain an arbitrary number of files. Now what I'm trying to accomplish is have this file streamed and uploaded to HDFS through a Hadoop job. The fact that it's Hadoop is not important, in the end what I need to do is write some shell script that would take this file form ftp with wget and write the output to a stream. The reason why I really need to use streams is that there will be a large number of these files, and each file will be huge. It's fairly easy to do if I have a gzipped file and I'm doing something like this: wget -O - "ftp://${user}:${pass}@${host}/$file" | zcat But I'm not even sure if this is possible for a tar.gz file, especially since there are mutliple files in the archive. I'm a bit confused on what direction to take for this, any help would be greatly appreciated.

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• A* PathFinding Not Consistent

  - by RedShft

  I just started trying to implement a basic A* algorithm in my 2D tile based game. All of the nodes are tiles on the map, represented by a struct. I believe I understand A* on paper, as I've gone through some pseudo code, but I'm running into problems with the actual implementation. I've double and tripled checked my node graph, and it is correct, so I believe the issue to be with my algorithm. This issue is, that with the enemy still, and the player moving around, the path finding function will write "No Path" an astounding amount of times and only every so often write "Path Found". Which seems like its inconsistent. This is the node struct for reference: struct Node { bool walkable; //Whether this node is blocked or open vect2 position; //The tile's position on the map in pixels int xIndex, yIndex; //The index values of the tile in the array Node*[4] connections; //An array of pointers to nodes this current node connects to Node* parent; int gScore; int hScore; int fScore; } Here is the rest: http://pastebin.com/cCHfqKTY This is my first attempt at A* so any help would be greatly appreciated.

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• vsftpd allow anonymous log-in

  - by user1817081

  I'm setting up a ftp server, that will allow anonymous to READ/WRITE to the server. Here is my configuration. anonymous_enable=YES local_enable=YES write_enable=YES anon_upload_enable=YES anon_mkdir_write_enable=YES xferlog_enable=YES connect_from_port_20=YES xferlog_file=/var/log/xferlog xferlog_std_format=YES ftpd_banner=Welcome to blah FTP service. listen=YES pam_service_name=vsftpd userlist_enable=NO tcp_wrappers=YES no_anon_password=YES In my /var/ftp/ i set the permission to 755. When I tried to set it to 777 i got the following error, when i tried to log in. 500 OOPS: vsftpd: refusing to run with writeable anonymous root login failed. Do i need to set up anything else to allow READ/WRITE for anonymous?

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• Comparison in Monit Permissions Testing

  - by beanland

  I'm trying to use Monit to check the permissions of a particular directory, but I only care that it's readable to all users. I don't care about any other permissions (write, execute) for the owner, group, or all. I also don't care about any special permissions. Knowing that I can't change the permissions of this directory, and with the possibility of another administrator changing these permissions without affecting my processes that rely on this directory (i.e., granting or revoking write access to the group), is it possible to check for a minimum permission in Monit? I have this which is currently working: check directory archive path /var/home/archive/ if failed perm 0755 then alert But I would like to have something like tihs: check directory archive path /var/home/archive/ if failed perm > 444 then alert This is failing for me. Is it possible to use comparison operators in Monit's permissions checking? If not, are there any workarounds?

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• Network Performance issue

  - by qubemarker

  We have three Ubuntu 10.04 servers. One server is a storage server and the other two servers are configured as clients. The storage server has a good amount of capacity and it is integrated with windows Active directory server for Authentication. I am uploading some video files from both clients to the server and when I am uploading data from any one client alone I get about 26 MB/s data transfer rate. When I upload data from both the clients simultaneously I am only getting about 8 MB/s from each client. I have gigabit ethernet cards in all of the servers and a L2 Managed gigabit switch for connectivity. I don’t know why the data transfer rate is decreasing so much in simultaneous read and write. I have tried all of the TCP stack related settings suggested here. Can any assist with getting better read/write performance out of this setup? Any help is appreciated.

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• how to proxy sql queries (INSERT, UPDATE e.t.c.)

  - by XakRu

  I have installed cluster MYSQL (galley with mariadb) As an application server installed Apache. on a server with Apache installed haproxy which proxies requests from php in this case installed for zabbix server cluster. But faced with deadlocks, now I want to proxy requests WRITE, INSERT, UPDATE to the second server. SELECT queries to the second and third server. I would be happy to see your suggestions. Please do not write: use mysql - proxy. I want to see what program it may to proxy SQL requests. scheme: http://www.gliffy.com/pubdoc/4474830/L.png

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• Is this buffer overflow working on Mac OSX? [migrated]

  - by cobie

  Was reading through some text and playing around with attempting to write past the size of an array in C i.e buffer overflow. The text indicates that whenever you attempt to write to say array[5] when the length of the array is 5 then you get a segmentation fault but I dont seem to be getting that When using the code below. The code actually runs. #include <stdio.h> #include <string.h> int main () { int i; int array[5] = {1, 2, 3, 4, 5}; for (i = 0; i <= 255; i++) { array[i] = 10; } int len = sizeof(array) / sizeof(int); printf("%d\n", len); printf("%d\n", array[254]); } On execution of the last statement, a 10 is printed. Am wondering whether this is a vulnerability or if there is something I am missing. I am running the code from iterm2 on a macbook pro.

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• Is it a good practice to create a list of definitions for all symbols and words in a programming language?

  - by MrDaniel

  After arriving at this point in Learning Python The Hard Way I am wondering if this is a good practice to create a list of symbols and define what they do as noted in bold below, for every programming language. This seems reasonable, and might be very useful to have when jumping between programming languages? Is this something that programmers do or is it just a waste of effort? Exercise 22: What Do You Know So Far? There won't be any code in this exercise or the next one, so there's no WYSS or Extra Credit either. In fact, this exercise is like one giant Extra Credit. I'm going to have you do a form of review what you have learned so far. First, go back through every exercise you have done so far and write down every word and symbol (another name for 'character') that you have used. Make sure your list of symbols is complete. Next to each word or symbol, write its name and what it does. If you can't find a name for a symbol in this book, then look for it online. If you do not know what a word or symbol does, then go read about it again and try using it in some code. You may run into a few things you just can't find out or know, so just keep those on the list and be ready to look them up when you find them. Once you have your list, spend a few days rewriting the list and double checking that it's correct. This may get boring but push through and really nail it down. Once you have memorized the list and what they do, then you should step it up by writing out tables of symbols, their names, and what they do from memory. When you hit some you can't recall from memory, go back and memorize them again.

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• Windows 8 Permissions

  - by Dane Balia

  I, 2 days ago, completed a standard Windows 8 installation. It was a fresh install, however Windows 7 was on the disk prior to which it migrated to Windows.old. But for some strange and weird reason, I am struggling to 'write' to my disk in regards to .NET Applications. It appears that none of my .NET (self-written) applications can write to their log files on disk, which are created on startup. I have disabled UAC, as well as set Full Control over Disk C: for my User, but no luck. I keep getting the error: A required privilege is not held by the client. I did google and try some online tuts - but no luck! Thanks

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• On Developing Web Services with Global State

  - by user74418

  I'm new to web programming. I'm more experienced and comfortable with client-side code. Recently, I've been dabbling in web programming through Python's Google App Engine. I ran into some difficulty while trying to write some simple apps for the purposes of learning, mainly involving how to maintain some kind of consistent universally-accessible state for the application. I tried to write a simple queueing management system, the kind you would expect to be used in a small clinic, or at a cafeteria. Typically, this is done with hardware. You take a number from a ticketing machine, and when your number is displayed or called you approach the counter for service. Alternatively, you could be given a small pager, which will beep or vibrate when it is your turn to receive service. The former is somewhat better in that you have an idea of how many people are still ahead of you in the queue. In this situation, the global state is the last number in queue, which needs to be updated whenever a request is made to the server. I'm not sure how to best to store and maintain this value in a GAE context. The solution I thought of was to keep the value in the Datastore, attempt to query it during a ticket request, update the value, and then re-store it with put. My problem is that I haven't figured out how to lock the resource so that other requests do not check the value while it is in the middle of being updated. I am concerned that I may end up ticket requests that have the same queue number. Also, the whole solution feels awkward to me. I was wondering if there was a more natural way to accomplish this without having to go through the Datastore. Can anyone with more experience in this domain provide some advice on how to approach the design of the above application?

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• The authenticity of host “host” can't be established

  - by Candroid

  I'm running a web app on a Linux server which connects to other servers. When I run the project on my Play framework on loclhost it runs fluently. When I run it on my Linux server I get the above message 3 times, one for each server. I read a post about it where it says that it is a man in the middle warning and if I write yes it should work. But though a write yes, nothing happens and the app doesn't run, and the error message keeps popping up. I tried creating private and public keys and add them to the authorized_keys file, but it didn't work either. What should I so to run my app?

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• VMWare Input/Output error on ubuntu host Win7 guest

  - by CShipley

  I am running ubuntu 10.10 as my host with Windows 7 as the guest. About a couple weeks ago I started getting error pop-ups from vmware reporting inability to read or write to a particular file. On futher investigation, I've noticed that I cannot copy that particular file from the linux command line even as root. I get the same input/output error. The SMART utility tells me I have 69 bad sectors on the disk (it is 1 TB) So my question is 1) How do I tell if that HD is going bad? 2) How can I move the VM files to a different part of the disk if I get read/write errors when I try to copy?

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• Accessing a broken mdadm raid

  - by CarstenCarsten

  Hi! I used a western digital mybookworld (SOHO NAS storage using Linux) as backup for my Linux box. Suddenly, the mybookworld does not boot up any more. So I opened the box, removed the hard disk and put the hard disk into an external USB HDD case, and connected it to my Linux box. [ 530.640301] usb 2-1: new high speed USB device using ehci_hcd and address 3 [ 530.797630] scsi7 : usb-storage 2-1:1.0 [ 531.794844] scsi 7:0:0:0: Direct-Access WDC WD75 00AAKS-00RBA0 PQ: 0 ANSI: 2 [ 531.796490] sd 7:0:0:0: Attached scsi generic sg3 type 0 [ 531.797966] sd 7:0:0:0: [sdc] 1465149168 512-byte logical blocks: (750 GB/698 GiB) [ 531.800317] sd 7:0:0:0: [sdc] Write Protect is off [ 531.800327] sd 7:0:0:0: [sdc] Mode Sense: 38 00 00 00 [ 531.800333] sd 7:0:0:0: [sdc] Assuming drive cache: write through [ 531.803821] sd 7:0:0:0: [sdc] Assuming drive cache: write through [ 531.803836] sdc: sdc1 sdc2 sdc3 sdc4 [ 531.815831] sd 7:0:0:0: [sdc] Assuming drive cache: write through [ 531.815842] sd 7:0:0:0: [sdc] Attached SCSI disk The dmesg output looks normal, but I was wondering why the hardisk was not mounted at all. And why there are 4 different partitions on it. fdisk showed the following: root@ubuntu:/home/ubuntu# fdisk /dev/sdc WARNING: DOS-compatible mode is deprecated. It's strongly recommended to switch off the mode (command 'c') and change display units to sectors (command 'u'). Command (m for help): p Disk /dev/sdc: 750.2 GB, 750156374016 bytes 255 heads, 63 sectors/track, 91201 cylinders Units = cylinders of 16065 * 512 = 8225280 bytes Sector size (logical/physical): 512 bytes / 512 bytes I/O size (minimum/optimal): 512 bytes / 512 bytes Disk identifier: 0x00007c00 Device Boot Start End Blocks Id System /dev/sdc1 4 369 2939895 fd Linux raid autodetect /dev/sdc2 370 382 104422+ fd Linux raid autodetect /dev/sdc3 383 505 987997+ fd Linux raid autodetect /dev/sdc4 506 91201 728515620 fd Linux raid autodetect Oh no! Everything seems to be created as a mdadm software raid. Calling mdadm --examine with the different partitions seems to affirm that. I think the only partition I am interested in, is /dev/sdc4 (because it is the largest). But nevertheless I called mdadm --examine with every partition. root@ubuntu:/home/ubuntu# mdadm --examine /dev/sdc1 /dev/sdc1: Magic : a92b4efc Version : 00.90.00 UUID : 5626a2d8:070ad992:ef1c8d24:cd8e13e4 Creation Time : Wed Feb 20 00:57:49 2002 Raid Level : raid1 Used Dev Size : 2939776 (2.80 GiB 3.01 GB) Array Size : 2939776 (2.80 GiB 3.01 GB) Raid Devices : 2 Total Devices : 1 Preferred Minor : 1 Update Time : Sun Nov 21 11:05:27 2010 State : clean Active Devices : 1 Working Devices : 1 Failed Devices : 1 Spare Devices : 0 Checksum : 4c90bc55 - correct Events : 16682 Number Major Minor RaidDevice State this 0 8 1 0 active sync /dev/sda1 0 0 8 1 0 active sync /dev/sda1 1 1 0 0 1 faulty removed root@ubuntu:/home/ubuntu# mdadm --examine /dev/sdc2 /dev/sdc2: Magic : a92b4efc Version : 00.90.00 UUID : 9734b3ee:2d5af206:05fe3413:585f7f26 Creation Time : Wed Feb 20 00:57:54 2002 Raid Level : raid1 Used Dev Size : 104320 (101.89 MiB 106.82 MB) Array Size : 104320 (101.89 MiB 106.82 MB) Raid Devices : 2 Total Devices : 1 Preferred Minor : 2 Update Time : Wed Oct 27 20:19:08 2010 State : clean Active Devices : 1 Working Devices : 1 Failed Devices : 1 Spare Devices : 0 Checksum : 55560b40 - correct Events : 9884 Number Major Minor RaidDevice State this 0 8 2 0 active sync /dev/sda2 0 0 8 2 0 active sync /dev/sda2 1 1 0 0 1 faulty removed root@ubuntu:/home/ubuntu# mdadm --examine /dev/sdc3 /dev/sdc3: Magic : a92b4efc Version : 00.90.00 UUID : 08f30b4f:91cca15d:2332bfef:48e67824 Creation Time : Wed Feb 20 00:57:54 2002 Raid Level : raid1 Used Dev Size : 987904 (964.91 MiB 1011.61 MB) Array Size : 987904 (964.91 MiB 1011.61 MB) Raid Devices : 2 Total Devices : 1 Preferred Minor : 3 Update Time : Sun Nov 21 11:05:27 2010 State : clean Active Devices : 1 Working Devices : 1 Failed Devices : 1 Spare Devices : 0 Checksum : 39717874 - correct Events : 73678 Number Major Minor RaidDevice State this 0 8 3 0 active sync 0 0 8 3 0 active sync 1 1 0 0 1 faulty removed root@ubuntu:/home/ubuntu# mdadm --examine /dev/sdc4 /dev/sdc4: Magic : a92b4efc Version : 00.90.00 UUID : febb75ca:e9d1ce18:f14cc006:f759419a Creation Time : Wed Feb 20 00:57:55 2002 Raid Level : raid1 Used Dev Size : 728515520 (694.77 GiB 746.00 GB) Array Size : 728515520 (694.77 GiB 746.00 GB) Raid Devices : 2 Total Devices : 1 Preferred Minor : 4 Update Time : Sun Nov 21 11:05:27 2010 State : clean Active Devices : 1 Working Devices : 1 Failed Devices : 1 Spare Devices : 0 Checksum : 2f36a392 - correct Events : 519320 Number Major Minor RaidDevice State this 0 8 4 0 active sync 0 0 8 4 0 active sync 1 1 0 0 1 faulty removed If I read the output correctly everything was removed, because it was faulty. Is there ANY way to see the contents of the largest partition? Or seeing somehow which files are broken? I see that everything is raid1 which is only mirroring, so this should be a normal partition. I am anxious to do anything with mdadm, in fear that I destroy the data on the hard disk. I would be very thankful for any help.

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• What is a good topic for a research paper on modern computer architecture?

  - by Max Schmeling

  This may not be the right place for this, but I wanted to get this question in front of some of the brightest people on the internet, so I thought I'd give it a shot. I have to write a research paper on some modern aspect of computer architecture. The subject is really not very restrictive; pretty much any recent development in computer hardware will work. I want to write it over something really interesting, but I don't have a lot of good ideas. What would make a really interesting paper?

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• Sharing a symlinked (`mklink /d`) directory via SMB?

  - by Alois Mahdal

  I have a Windows 7 amd64 box where one directory is shared: local path is d:\drop\ remote path is \\aloism\drop from SMB point of view, Everyone has Read and Write permission ACLs for the folder are set so that all authenticated users have read and write permissions:NT AUTHORITY\Authenticated Users:(OI)(CI)C (which is inherited to all levels below) Now I create a symbolic link within the structure of the directory: D:\drop>mklink /d tools2 tools symbolic link created for tools2 <<===>> tools The problem is that I can't access this new directory from any of the remote machines (a Windows 7 box and a Windows XP box—both behave the same way): C:\>dir \\aloism\drop\tools2\ Volume in drive \\aloism\drop is droot Volume Serial Number is FA73-1897 Directory of \\aloism\drop\tools2 File Not Found How can I make it work? Possibly also for files?

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• How do I stop the natd log spam on Mac OS X with Internet Sharing?

  - by pukku

  Hi! I have InternetSharing enabled on my Mac (Leopard), so that my iPhone can get access to the internet in a wireless environment. Every second or so, I get the following error sent to system.log: 7/2/09 2:12:33 PM natd[20861] failed to write packet back (No route to host) Sometimes, the error is 7/2/09 2:12:33 PM natd[20861] failed to write packet back (Host is down) Is there some way to either fix the problem that is causing these errors (which I'm guessing is because the iPhone doesn't maintain a wireless connection when not in use) or to prevent them from being logged? Thanks, Ricky

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• Is this too much to ask for a game programming and developing enthusiast? Am I doing this wrong?

  - by I_Question_Things_Deeply

  I have been a computer-fanatic for almost a decade now. I've always loved and wondered how computers work, even from the purest, lowest hardware level to the very smallest pixel on the screen, and all the software around that. That seems to be my problem though ... as I try to write code (I'm pretty fluent at C++) I always sit there enormous amounts of time in front of a text-editor wondering how every line, statement, datum, function, etc. will correspond to every Assembly and machine instruction performed to do absolutely everything necessary for the kernel to allocate memory to run my compiled program, and all of the other hardware being used as well. For example ... I would write cout << "Before memory changed" << endl; and run the debugger to get the Assembly for this, and then try and reverse disassemble the Assembly to machine code based on my ISA, and then research every .dll, library file, linked library, linking process, linker source code of the program, the make file, the kernel I'm using's steps of processing this compilation, the hardware's part aside from the processor (e.g. video card, sound card, chipset, cache latency, byte-sized registers, calling convention use, DDR3 RAM and disk drive, filesystem functioning and so many other things). Am I going about programming wrong? I mean I feel I should know everything that goes on underneath English syntax on a computer program. But the problem is that the more I research every little thing the less I actually accomplish at all. I can never finish anything because of this mentality, yet I feel compelled to know everything... what should I do?

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• How do I set permissions on a Server 2003 folder

  - by Richard210363

  Hi There, In my part time position as entire IT department at my Office ( I'm a MCSD developer normally ) I have been asked to change a shared folder. Only I don't really understand all the Shared / Security options. I have a folder that must be accessed by 2 people in the company (and no one else). They both must have read/write/edit and change access. They must be able to read/write/edit each others files; existing or newly created. Should be easy but I'm a bit overwhelemd by all the choices. What should I set? Thanks for your help richard

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• Access denied for user who has full access to some files in their own folder

  - by steve02a

  I have a very similar case as this user: Access denied on some files on Win2008R2 DC share This is on a windows 2008 R2. The user has Win7 pro. The user has their own home folder on the server. Every file, except one, the user can read/write/modify at their own will. No problems - except this one file. She gets "access denied" I can open it (as domain admin). Another user can open it (because she's in the domain admin group). I did run the AccessEnum tool and the read/write permissions are all identical for all files. So, I can't explain why the user can't open this one single file. Out of all her files in sub-folders and such. No problems. This one file is causing a headache. What do you think could be wrong here?

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• Creating my own PHP framework

  - by onlineapplab.com

  Disclaimer: I don't want to start any flame war so there will not be no name of any framework mentioned. I've been using quite many from the existing PHP frameworks and my experience in each case was similar: everything is nice a the beginning but in the moment you require something non standard you get into lot of problems to fix otherwise simple issues. In case of frameworks following the MVC design pattern there are some issues with the implementation of each layer for example there is a lot of codding used for model and data access with using ORM and presentation is not much more than pure phtml. Some frameworks use their own wrappers for existing PHP functionality and in some cases severely limiting original functionality. Depending on framework you can have additional problems like lack of documentation, slow or non existent development cycle and last but not least speed. While ago I made my own framework which while doing it's job and being used for few different applications after couple of years more of experience with PHP doesn't seem to be perfect piece of codding. I could write my own framework and use additional experience I've gathered during these years to make it better on the other hand I'm aware that there is quite many better programmers working on creating/upgrading existing frameworks. So does it make at all nay sense to write my own PHP framework if there is so many possibilities to choose from?

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