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• cPanel configuration appears to allow unauthenticated SMTP - how to fix?

  - by ttsiodras

  One of my clients is using a cPanel-based Virtual Dedicated Server that appears to allow unauthenticated SMTP: bash$ echo EHLO | nc mail.clientscompany.com 25 ... 250-SIZE 52428800 250-PIPELINING 250-AUTH PLAIN LOGIN 250-STARTTLS 250 HELP It therefore appears that anyone (esp. spammers) can use his mail server to send whatever - I just connected from my DSL connection at home, and... bash$ nc mail.clientscompany.com 25 HELO clientscompany.com MAIL FROM: [email protected] RCPT TO: [email protected] DATA From: <[email protected]> To: <[email protected]> Date: ... Subject: ... Blah . QUIT I just tested this, and sure enough, it sent a mail from "[email protected]". Since I am not familiar with cPanel and WHM, can someone provide pointers to configure his mail server to (a) only accept TLS connections and (b) only authenticated ones (i.e. with user/password, not just plain connections). Thanks for any help.

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• Combine VPN bandwith over two or more WAN connections? Load balancing?

  - by mistrfu

  Imagine you only have DSL with 5mbps Down and 2mbps Up. Is it possible to have 10 of these for example and combine them in a way that would increase the upstrean bandwidth to one server? In my head it works like this: intranet with one gateway/router router connected to multi wan load ballancer on each ballancer wan port router with vpn clinet set up, tunneling to a server ?some? software on the server in cloud joining all these connection into one interface again I would need this mostly for big uploads to a server, downlink to the office is not that important at all. Does it even make sense? I drew an image to clarify.

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• How to setup VPN on home network

  - by Tone

  I am a software developer. I travel and sometimes have a need to access my files at home and tweak other family members computers. I would like to connect to my home network via VPN and then RDP into whatever machine i need to. Currently i have a Windows Server 08 machine, which is my file server, database server, web server (for development work), source control repository, etc. (and also somewhat of a workstation when i need it to be). I want to use this same machine to run my VPN through. I have a linksys WRTG54 router. My ISP is AT&T DSL, with a dynamic IP address - so i'm assuming I'll either need to request a static IP or sign up with one of those static ip services.. where it keeps your dynamic ip synced up with a static one. While I do understand software engineering I am no expert in networking. What do i need to do to setup my VPN?

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• How do you learn to effectively use more than one framework

  - by LongTTH

  Someday, my leader told me that don't reinvent the wheels, use framework built-in classes. (with a serious mood) when I implement some algorithm has been supported by .NET fx. And seriously, I didn't know about these support before, cause this is the first time I work with .NET). So I have this questions. For example, for building an Web-App we have some ways: C# with ASP.NET framework Java with JavaEE (and friends like Struts, Spring v.v.) framework. PHP with Zend framework. ... It just takes about 1 months to learn language (C#, Java, PHP...), BUT learning to use a framework effectively takes you at least SOME YEARS working (to know every bit of code has been built-in). So, how do you learn to use effectively 2 (or more) frameworks? Any ideas are welcome!

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• Mandriva Linux 2010.2 est disponible, et apporte de nombreux correctifs et améliorations autour du noyau Linux 2.6.33.7

  Mandriva Linux 2010.2 est disponible, elle apporte de nombreux correctifs et améliorations autour du noyau Linux 2.6.33.7 Mise à jour du 24.12.2010 par Katleen La distribution Linux Mandriva est désormais disponible dans une nouvelle version, la 2010.2. Il s'agit d'une mise à jour majeure et incrémentielle de Mandriva Linux 2010 Spring. Elle apporte plusieurs amélioration de sécurité ainsi que des correctifs de bogues. Cette version est la seconde dite "d'entretien". Elle est construite autour du noyau Linux 2.6.33.7 et intègre de nombreux environnements et outils : - GNOME 2.30.0 - KDE 4.4.3 - XFCE 4.6.1 - OpenOffice 3.2 - Thunderbird 3.0 -...

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• What advantages are conferred by using server-side page rendering?

  - by user1303881

  I am developing a web app and I have currently written the entire website in html/js/css and on the backend I have servlets that host some RESTFUL services. All the presentation logic is done through getting json objects and modifying the view through javascript. The application is essentially a search engine, but it will have user accounts with different roles. I've been researching some frameworks such as Play and Spring. I'm fairly new to web development, so I was wondering what advantages using server side page rendering would provide? Is it: Speed? Easier development and workflow? Access to existing libraries? More? All of the above?

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• Network configuration with limited hardware

  - by Pavel

  I have cable internet and I have two PC. One of them has wireless and ethernet, the other pc has ethernet only. Also, I have a dsl modem that has wireless builtin (some common speedstream model). My goal is to connect all of them so that both have internet access. As I understand, I have two options: connect speedstream to the cable and then connect other PC's to speedstream; OR, connect pc with wireless to the cable and then connect the other pc that has ethernet only using ethernet+wireless through speestream. First one seems to be easy, but it doesn't seem to work. What about the other choice? Is it possible to do it?

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• Monitor torrent user in network [closed]

  - by Usman

  I am using active directory in windows server 2008 R2 having IP address is 10.10.10.10 and my DSL modem Ip is 10.10.10.101. All clients are using 10.10.10.101 default gw to access the Internet. I don't know who is using Torrent in network or downloading something via IDM or something else. I just want to Monitor my clients for who are download via torrent or whatever. Is there anything in Windows Server 2008r2 that would allow me to do this monitoring, or do I need something else?

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• Internet sharing over LAN on Windows Server 2012

  - by USER

  I have a DSL modem connected to a server (ON NIC1) running Windows Server 2012 and 7 computers (running Windows 7 32-Bit) connected to a server though a network switch (ON NIC2). I shared the internet connection from the server through DHCP so I am able to access the internet from those 7 computers, but I am unable to: Access Google.com Activate Windows Update Windows An error is arising that says UNABLE TO ACTIVATE WINDOWS Activation Error Code: 0x80072EE2 Firewall and Anti-Virus are off on both the Server and the Clients. Is there is any additional setting that I want to do?

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• Which one is better to get started? [closed]

  - by vanangamudi

  Which one of the open-source game engine is better to get started? I read several threads over several forums and found that it is better to write own game engine specific to application. But I need to know the requirements of a game engine, other than Graphics, Physics and AI... Many people suggested Unity, But I need open-source version so that I can have a look at implementation... so I google rigorously and found some unknown game engines(at least to me) Unvanquished Cube Spring Pyrogenesis Torque3D CrystalSpace Panda3D Delta3D Irrichlt OpenArena AlienArena (please list others if I missed anything....) FYI: my present focus is on FPS/TPS. Can you tell me which one is better at performance if possible? Torque3D claims to be the best opensource engine - is that true, and if so to what extent?

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• Is it possible to host a website with Apache HTTP through a ZyXEL EQ-660R modem and a Netgear WGT624v3 wireless router?

  - by Vortico

  Essentially, I have a spare desktop computer I'd like to turn into a web server, but my modem and wireless router are very difficult to work with. I installed Apache HTTP and successfully hosted a test page which can be accessed anywhere on the LAN. However, I'm having trouble setting up the server to be accessed from my external IP address. I was supplied with a ZyXEL EQ-660R DSL modem by my ISP (CenturyLink) and bought a Netgear WGT624v3 wireless router in which to connect my laptop and spare desktop. ZyXEL's website is no help, and I don't think much of the problem is with the Netgear router. I've played with many settings and have tried to forward port 80 from the modem, but I've had no luck. Could someone direct me toward a solution or recommendations for more promising hardware? Or should I admit defeat and explore other hobbies? :)

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• can I connect two modems and comunicate on two side

  - by GongT

  I just wondering how modems work. I know the process of "modulation" and "demodulation". So I wanto know is "demodulation" are simple revese of "modulation" in real world. The PC can got an IP address when connect as type 1 What will happen when I connect them like type 2? type 1 : [PC] ================= [router] type 2 : [PC] === [m] ------- [m] === [router] [m] : modem(exactly same) === : Ethernet cable --- : DSL cable (phone line, maybe optical fiber, or something else?) ISP has a large number of model, Is them same thing as the one in my home(but with diffrent size/speed/price...etc)? Or it's completely different thing?

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• How should I design my website to allow posterity to edit?

  - by SSumner

  I'm building a website for a student organization I am involved in at my college. Most of the site will be static - i.e. won't change from year-to-year, but certain pieces will. I am high-tech, but most of the others aren't, and I am graduating in the spring. So how should I go about building the website so as to allow those that take over in subsequent years to edit information? Examples: Events: I already plan on using a Google calendar for this Officers: There will be profiles/pictures for all the officers on the web page Connections: Partnerships with other organizations that we have currently, but may not in future, or may add more in future Should I use some form of CMS (Content Management System)? If so, how restrictive are they (e.g. Drupal) to what you can build and then how easy is it to edit. What other ways could I make a very nice-looking website but allow certain pieces to be edited later?

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• What protocols will/are ISPs use for IPv6 deployment?

  - by rbeede

  Currently ISPs deal out addresses via DHCP for IPv4 dynamic (single) addresses. What protocol will/are ISPs going to use for IPv6 when they can hand a customer an entire /64 (or /48 if they are nice) block? DHCPv6, RA? For ISPs that support true end-to-end IPv6 will they provide gateway devices (similar to cable modem or true DSL bridges for example) that receive border information for that specific customer? I'm just trying to get an idea of how your common residential service customer will have to configure things in an IPv6 Internet (whenever that comes). Will it be something customers are expected to statically configure on their home wireless router? Today with IPv4 I do it like this: Modem (bridge) passes public IPv4 obtained via DHCPv4 from ISP to second device (wireless router). It in turn has its own DHCPv4 service it provides on the internal lan.

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• Remote additional domain controllers

  - by user125248

  Is it possible to setup several additional domain controllers (ADC) at remote locations that are connected via medium bandwidth DSL (2-10 Mbit) WAN connections for a single domain (intranet.example.com)? And would it be a good idea? We have five sites and would like to have extremely high availability if any of the site were to lose their Internet connection. However each site is very small, and all are over a fairly small geographical area within the same region, so it would seem strange to have a PDC for each of the sites. If it were possible to have an ADC for each site, would the clients use the ADC or just use the PDC if it's available to them?

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• Can one use Airport (Time Capsule) with an external DHCP server?

  - by DNS

  I currently share my DSL connection using a wireless router with DHCP disabled, and dnsmasq running on a Mac Mini serving DHCP & DNS. This setup is important because I have clients doing PXE boot, and I need the control over DHCP that dnsmasq provides. There is also a Time Capsule on the network that's used purely as a backup device; its wireless functions are disabled. The wireless router is starting to get a little flaky, and since it doesn't support 802.11n I'd like to replace it. Rather than buying a new router, I'd like to just use the Time Capsule. But I see no way to disable its DHCP server; when I set the connection type to PPPoE, it insists on serving DHCP. Is there any way to use Airport PPPoE with a DHCP server elsewhere on the network?

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• Basic/research RTS engine/model

  - by XTF

  Does a basic/research RTS engine/model exist that can be used as a basis for further experimentation/research? I'd like to avoid reinventing the wheel if possible. I'm aware of Spring Engine and Stratagus, but those are real game engines and may not be the best to experiment with and learn from. Ideally the docs for the model would answer questions like: How exactly do units move? (constant velocity? constant acceleration? constant force?) How is pathfinding handled? Does every grid cell become an A* graph node (may be expensive)? Does it consider threats? How are groups handled? (w.r.t pathfinding and movement) How is combat handled? I'm mostly interested in the low-level model details (for now), not the graphics etc. I've read a lot of the other quesions (and answers/references) tagged RTS but I haven't found my answer yet.

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• TCP and fair bandwidth sharing

  - by lxgr

  The congestion control algorithm(s) of TCP seem to distribute the available bandwidth fairly between individual TCP flows. Is there some way to enable (or more precisely, enforce) fair bandwidth sharing on a per-host instead of a per-flow basis on a router? There should not be an (easy) way for a user to gain a disproportional bandwidth share by using multiple concurrent TCP flows (the way some download managers and most P2P clients do). I'm currently running a DD-WRT router to share a residential DSL line, and currently it's possible to (inadvertently or maliciously) hog most of the bandwidth by using multiple concurrent connections, which affecty VoIP conversations badly. I've played with the QoS settings a bit, but I'm not sure how to enable fair bandwidth sharing on a per-IP basis (per-service is not an option, as most of the flows are HTTP).

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• Combine WLAN with LAN

  - by fiatux

  I have D-link DSL 2750U wireless router. My PC and notebook are connected to router by Wi-Fi. They can share files or ping each other. I have a network storage unit plugged into router by an ethernet cable. Any of the computers cannot reach that storage unit or ping it. I guess my router isolates LAN network from WLAN network. Is there a way to combine them and get the router treat all devices connected to router in a single network? Thanks.

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• Business Layer Design in J2EE Project

  - by user63157

  Currently the project on which I am working is being developed with Spring, Hibernate and struts. The business layer consists of simple java beans with no behavior in them only properties and getter and setter methods, the services are written on them which operates on them and call DAO layer methods and all. My questions is that is it object oriented way of designing or simply the procedure way in which the data and the functions on which they operate are not together. Please provide your thoughts and inputs on how the business logic is design and implemented in j2ee application, is the domain model contains business methods or are they simply dumb objects which have only data and services written on to them.

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• Port forwarding stopped working in my Linksys WRT54G2 Linksys router.

  - by user23490

  How to do it again? I had simply forwarded needed ports (e.g. for counter strike, ftp, http etc)) but now with same system, same OS and same router and settings, it's not working. Tried setting router to "factory defaults" and do everything again. However other jobs are being done like it is connecting to my DSL ISP and I can access Internet easily. Still no success. PS. I tried on both Windows and Ubuntu. On Windows I use it for Counter Strike and others (e.g. host my local FTP server) on Ubuntu.

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• ???????/??????????????!Oracle CEP?????????·???????????

  - by user788995

  ????? ??:2012/01/23 ??:??????/?? CEP(Complex Event Processing) ??????????·???????????????????????????????????EDA ??????????????????????????????????????????????????????????????? ??????? / ???????????Event Driven Architecture ? CEP / EDA?Complex Event Processing????:??????? / ????????!???????? CEP????:??????????? / Eclipse - EPN, Spring?Visualizer ????????? ????????????????? http://otndnld.oracle.co.jp/ondemand/otn-seminar/movie/111214_F-8_CEP.wmv http://otndnld.oracle.co.jp/ondemand/otn-seminar/movie/mp4/111214_F-8_CEP.mp4 http://www.oracle.com/technetwork/jp/ondemand/db-new/f-8-cep-1448387-ja.pdf

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• JBoss RichFaces vs IceFaces vs Apache Trinidad - JSF component libraries comparison

  - by peperg

  What do you think/use for interface layer? The "backing" layer will be Spring 3. The criteria are : Your privete opinion Components Documentation AJAX Integration Browser support Community Tool support (Eclipse, NetBeans) I found some comparison topics but it was about 2007 and old versions.

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• Hidden Features IntelliJ IDEA

  - by Teja Kantamneni

  Just another Hidden features and tips and tricks WIKI. After seeing the hidden features of eclipse, java, spring framework I thought we need to have a list of the features, TIPS for IntelliJ too which is the best and the Intelligent IDE available for java.

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• Advantages of Migrating Flex3 App to Flex4

  - by Srirangan

  Hi guys, What are the advantages of migrating a Flex 3 app (Java backend, BlazeDS, Spring, Hibernate) to Flex 4? One of the biggest advantages of Flex 4 is design. Assuming that design / UI isn't a big driver for the business right now as compared to performance, what are the other factors we can highlight? We have implemented Cairngorm and Swiz on the App (with a gradual "roll out" of Cairngorm planned for the future). Any opinions? Thanks, Sri

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