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  • Pros and Cons of a proxy/gateway server

    - by Curtis
    I'm working with a web app that uses two machines, a BSD server and a Windows 2000 server. When someone goes to our website, they are connected to the BSD server which, using Apache's proxy module, relays the requests & responses between them and the web server on the Windows server. The idea (designed and deployed about 9 years ago) was that it was more secure to have the BSD server as what outside people connected to than the Windows server running the web app. The BSD server is a bare bones install with all unnecessary services & applications removed. These servers are about to be replaced and the big question is, is a cut-down, barebones server necessary for security in this setup. From my research online I don’t see anyone else running a setup like this (I don't see anyone questioning it at least.) If they have a server between the user and the web app server(s), it is caching, compressing, and/or load balancing. Is there anything I’m overlooking by letting people connect directly from the internet ** to a Windows 2008 R2 server that’s running the web application? ** there’s a good hardware firewall between the internet with only minimal ports open Thank you.

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  • Two Routers, Two Internet (1 Open, 1 PPTP) - Routing?

    - by SomeUser
    Hi there, I'm trying to setup two routers - one to route specific sites to a always-on PPTP VPN connection, the other for open internet access w/ firewall. First router is connected to Internet w/ built-in firewall. Second router is connected to a PPTP VPN connection. I was going to connect a wire between the routers and would like some insight on how to get both groups of systems (connected to each router) to talk between automatically. Even better would be to setup one gateway for certain sites and another for general Internet. The other option is to default all sites to the net and shoot others to the gateway or vice versa... Any insight so I can get a better grasp of this? Thanks!

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  • Symantec Gateway Security 320 VPN/Port Forwarding trouble

    - by Owl
    How do I check to see if port forward is enabled with one of my dynamic tunnels on this device? I'm having trouble using a feature in our software that requires a vpn to be used. My firewalls shows it as connected but I'm unable to ping the subnet ip. Our software vendor told me that port forwarding might be causing this problem, but I didn't set up this network I'm on and I don't fully know symantec hardware.

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  • Nginx - Serve blank page on "Bad Gateway" error

    - by TheLittleCheeseburger
    Hello all. I want to use Nginx as a simple reverse proxy, but if the server behind Nginx is down I just was to display a blank page. For some reason this configuration isn't displaying a blank page on error 502 and I can't figure out why. Thanks for your help! user www-data; worker_processes 1; error_log /var/log/nginx/error.log; pid /var/run/nginx.pid; events { worker_connections 1024; use epoll; # multi_accept on; } http { keepalive_timeout 65; proxy_read_timeout 200; upstream tornado { server 127.0.0.1:8001; } server { listen 80; server_name www.something.com; location / { error_page 502 = @blank; proxy_pass http://tornado; } location @blank { index index.html; root /web/blank; } } }

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  • Attach certificate to remote desktop connection - not gateway services

    - by Jordan S
    I have a Windows server that I want to attach a 3rd party signed certificate for remote desktop connections. This is not a remote desktop services server, i.e. it is just remote desktop administration. There is lots of info on the internet about attaching a certificate to remote desktop services, but I want to attach mine to just plain remote desktop connection for administration purposes. If anyone know how to do this, please holler! I have imported the certificate into the Remote Desktop store in the certificates mmc snap in, and have tried running the wmic command in this question (Configure custom SSL certificate for RDP on Windows Server 2012 in Remote Administration mode?) but this fails. THANKS!

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  • Access my router's gateway network?

    - by Danpe
    I have 2 routers in my place. Main Router (Connected to the Internet) - 192.168.1.1 Secondery Router (Connected to the Main Router) - 192.168.0.1 I have a Network Storage Device and few Shared Directorys connected to the Main Router. (Network Storage - 192.168.1.16) How can i acces one of them using a PC connected to the Secondery Router? Home Network Diagram: I currently have access to the internet using both laptop and Main PC. But i want to get access from my laptop to the Storage and to ym shared directorys. The problem is the my Main router always forwards all packets stright to the WAN.. (Internet)

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  • Ubuntu 11.10 firewall/gateway - no client internet access

    - by Siriss
    I have read many other posts but cannot figure this out. eth0 is my external connected to a Comcast modem. The server has internet access with no issues. eth1 is internal and running DHCP for the clients. I have DHCP working just fine, all my clients can get an IP and ping the server but they cannot access the internet. I am using ISC-DHCP-SERVER and have set /etc/default/isc-dhcp-server to INTERFACE="eht1" Here is my dhcpd.conf file located in /etc/dhcp/dhcpd.conf ddns-update-style interim; ignore client-updates; subnet 10.0.10.0 netmask 255.255.255.0 { range 10.0.10.10 10.0.10.200; option routers 10.0.10.2; option subnet-mask 255.255.255.0; option domain-name-servers 208.67.222.222, 208.67.220.220; #OpenDNS # option domain-name "example.com"; default-lease-time 21600; max-lease-time 43200; authoritative; } I have made the *net.ipv4.ip_forward=1* change in /etc/sysctl.conf here is my interfaces file: auto lo iface lo inet loopback auto eth0 iface eth0 inet dhcp iface eth1 inet static address 10.0.10.2 netmask 255.255.255.0 network 10.0.10.0 auto eth1 And finally- here is my iptables.conf file: # Firewall configuration written by system-config-firewall # Manual customization of this file is not recommended. *nat :PREROUTING ACCEPT [0:0] :OUTPUT ACCEPT [0:0] :POSTROUTING ACCEPT [0:0] -A POSTROUTING -s 10.0.10.0/24 -o eth0 -j MASQUERADE #-A PREROUTING -i eth0 -p tcp --dport 59668 -j DNAT --to-destination 10.0.10.2:59668 COMMIT *filter :INPUT ACCEPT [0:0] :FORWARD ACCEPT [0:0] :OUTPUT ACCEPT [0:0] -A INPUT -m state --state ESTABLISHED,RELATED -j ACCEPT -A INPUT -p icmp -j ACCEPT -A INPUT -i lo -j ACCEPT -A INPUT -i eth1 -j ACCEPT -A INPUT -m state --state NEW -m tcp -p tcp --dport 22 -j ACCEPT -A INPUT -m state --state NEW -m tcp -p tcp --dport 80 -j ACCEPT -A INPUT -m state --state NEW -m tcp -p tcp --dport 443 -j ACCEPT -A INPUT -m state --state NEW -m tcp -p tcp --dport 53 -j ACCEPT -A INPUT -m state --state NEW -m udp -p udp --dport 53 -j ACCEPT -A FORWARD -s 10.0.10.0/24 -o eth0 -j ACCEPT -A FORWARD -d 10.0.10.0/24 -m state --state ESTABLISHED,RELATED -i eth0 -j ACCEPT -A FORWARD -p icmp -j ACCEPT -A FORWARD -i lo -j ACCEPT -A FORWARD -i eth1 -j ACCEPT #-A FORWARD -i eth0 -m state --state NEW -m tcp -p tcp -d 10.0.10.2 --dport 59668 -j ACCEPT -A INPUT -j REJECT --reject-with icmp-host-prohibited -A FORWARD -j REJECT --reject-with icmp-host-prohibited COMMIT I am completely stuck. I cannot figure out why the clients cannot access the internet. Am I missing a service? Is a service not running? Any help would be greatly appreciated. I tried to be as thorough as possible but please let me know if I have missed something. Thank you!

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  • Locked out of our Comcast Business Gateway for seemingly no reason

    - by Tyler
    A little backstory... Last fall we migrated our ISP from AT&T to Comcast at one of our offices. At that time, we received a new modem/router from Comcast and we configured everything to our liking. We've never really had very many issues with the router aside from having to restart it every once in a while. Here's the problem... About three months ago I changed the password on the router from the default. After that, I logged into the router several times to make changes with no issue. During May I logged into the router to add two new static routes, no problems. A week ago, I tried to log into the router and could not. I tried the non-default password that I changed it to, the default, anything and everything I could think of and no luck. I restarted the router on Monday thinking it may just be locked up, but after the restart it would still not let me log in. This router is at our other office about 2 hours from here and I want to avoid having to drive down there and reset to factory defaults, reconfigure, etc. Any ideas?

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  • Internet printing : print to iOS gateway -> AirPrint / something -> Laser printers

    - by user75129
    I've done a bit of research on the Internet, and it looks like I'm on a dead end. My goal is to minimize cost, and be able to send and print documents AUTOMATICALLY (may be 10 or 20 pages per day) to a laser printer in a remote office. The preliminary method is to use: iOS 5.1.1 (JB'ed) with 3G connection, HP (or other brands) printer with AirPrint, iCloud's Documents and may be write some launchd scripts to monitor any new documents in iCloud. May be with other software. I am not sure yet. By using the cloud, I can upload new docs to the cloud anywhere in my city, and the iOS will be able to see them within a reasonable amount of time, then print it. But it seems this combo is not workable. Anyone got any advice on how to make this set up work, or propose other alternatives that requires NO PC or Mac? Currently I have a 3GS with 3G connectivity spare. Need to buy a new printer though.

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  • How to troubleshoot Linksys E4200 Remote Management

    - by Jordan
    My Linksys E4200 is configured for Remote Management, but the router is not accepting the connections. Here's the configuration under Administration Management Remote Management Access: Remote Management: Enabled Access via: HTTP Remote Upgrade: Disabled Allowed Remote IP Address: Any IP Address Remote Management Port: 8080 The router is setup to use 192.168.10.41 as its static Internet IP address, and 192.168.35.1 as its LAN IP address. I can access the router just fine via its LAN IP address, but I can't make a connection using http://192.168.10.41:8080. I've tried variations of the settings above (enabled HTTPS, enabled Remote Upgrade, set an IP range of 192.168.10.1-254) but nothing has worked yet. Hoping someone can at least point me in the right direction. Thanks. Update: To clarify, I have a wired router that connects straight to the T1 modem. It's configured to use 192.168.10.1-254 as its internal LAN range. The E4200 wireless router in question is on that LAN using 192.168.10.41 as its WAN IP address. The E4200's internal LAN range is 192.168.35.1-254. I'm not trying to access the E4200 from the Internet, I'm just trying to access it from its WAN IP address. Thanks.

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  • Nginx Tornado Combination Causing 502 Bad Gateway Errors

    - by PlaidFan
    We are facing a problem with inconsistent 502 errors and tracking down the reasons has been a very frustrating exercise. We can reproduce the problem by sending several simultaneous requests quickly. The problem is that several is only in the range of 10 to 20 within a 5 seconds (not a typo). So clearly this type of load should be handled easily. We really like the Nginx + Tornado approach but are considering going to a more traditional (e.g. threading) approach because this problem has been very difficult to solve. I was wondering if you a) know how to fix this issue and b) how we can tracked down the culprit(s). The log files simply identify there being a connection refused. We have the same problem as this post: How do I debug a HTTP 502 error? But there is no answer provided on how to solve the problem so I'm hoping you can help because this may be a common issue with this type of setup. Thanks in advance, Paul

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  • Using Windows as a gateway to the internet

    - by James Wright
    My customer currently blocks outbound RDP and SSH, which means that none of their employees can get access to external Windows and Linux boxes (at the console level). However, a need has recently arisen to give access to an assortment of RDP and SSH endpoints scattered throughout the internet. The endpoint IP addresses are a moving target, and an access list exists to define what those IP addresses are. So now my customer wants to have a single Windows Server that they control as the sole outbound point for RDP/SSH to the internet. Consider it a jump box to the internet. If one of our admins have an access to this Windows box then they can log on, and from there bounce around to RDP/SSH endpoints on the internet. Is a standard Windows 2008 box going to work as a jump box? For example, I seem to recall that Win2k8 limits the number of users that can log on simultaneously, which means that the jump box may not be accessible if lots of users are on it. Advice as to how to make this work..?

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  • QNAP TS-419p as a VPN Gateway?

    - by heisenberg
    Hello, I am hoping one of you might be able to help. I want to make files stored on shared folders on a QNAP TS-409p available to users over a VPN link. How is the possible? Can someone explain what I need to do. What do I need to do at the router and what do I need to do on the QNAP NAS? Effectively, what I want do do is use the built in Windows vpn client to connect to my home network and then be able to browse the shared folders. Thanks in advance.

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  • Iptables port mapping from two PCs to one

    - by Anton
    We have 3 PCs, two of it are connected to internet (both of it have 2 NIC) PC1: eth0 - 1.0.0.1 (external IP) eth1 - 172.16.0.1 (internal IP) PC2: eth0 - 1.0.0.2 (external IP) eth1 - 172.16.0.2 (internal IP) PC3: eth0 - 172.16.0.3 (internal IP) Now we want to map port 80 from PC1 and PC2 to PC3. But there is the problem: iptables port forwarding works well from PC1 or PC2, but only in case if PC3 have PC1 or PC2 as gateway. So, question is: can we have port mapping from both PC1 and PC2 regardless of gateway settings on PC3? Thank you in advance.

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  • Announcing SonicAgile – An Agile Project Management Solution

    - by Stephen.Walther
    I’m happy to announce the public release of SonicAgile – an online tool for managing software projects. You can register for SonicAgile at www.SonicAgile.com and start using it with your team today. SonicAgile is an agile project management solution which is designed to help teams of developers coordinate their work on software projects. SonicAgile supports creating backlogs, scrumboards, and burndown charts. It includes support for acceptance criteria, story estimation, calculating team velocity, and email integration. In short, SonicAgile includes all of the tools that you need to coordinate work on a software project, get stuff done, and build great software. Let me discuss each of the features of SonicAgile in more detail. SonicAgile Backlog You use the backlog to create a prioritized list of user stories such as features, bugs, and change requests. Basically, all future work planned for a product should be captured in the backlog. We focused our attention on designing the user interface for the backlog. Because the main function of the backlog is to prioritize stories, we made it easy to prioritize a story by just drag and dropping the story from one location to another. We also wanted to make it easy to add stories from the product backlog to a sprint backlog. A sprint backlog contains the stories that you plan to complete during a particular sprint. To add a story to a sprint, you just drag the story from the product backlog to the sprint backlog. Finally, we made it easy to track team velocity — the average amount of work that your team completes in each sprint. Your team’s average velocity is displayed in the backlog. When you add too many stories to a sprint – in other words, you attempt to take on too much work – you are warned automatically: SonicAgile Scrumboard Every workday, your team meets to have their daily scrum. During the daily scrum, you can use the SonicAgile Scrumboard to see (at a glance) what everyone on the team is working on. For example, the following scrumboard shows that Stephen is working on the Fix Gravatar Bug story and Pete and Jane have finished working on the Product Details Page story: Every story can be broken into tasks. For example, to create the Product Details Page, you might need to create database objects, do page design, and create an MVC controller. You can use the Scrumboard to track the state of each task. A story can have acceptance criteria which clarify the requirements for the story to be done. For example, here is how you can specify the acceptance criteria for the Product Details Page story: You cannot close a story — and remove the story from the list of active stories on the scrumboard — until all tasks and acceptance criteria associated with the story are done. SonicAgile Burndown Charts You can use Burndown charts to track your team’s progress. SonicAgile supports Release Burndown, Sprint Burndown by Task Estimates, and Sprint Burndown by Story Points charts. For example, here’s a sample of a Sprint Burndown by Story Points chart: The downward slope shows the progress of the team when closing stories. The vertical axis represents story points and the horizontal axis represents time. Email Integration SonicAgile was designed to improve your team’s communication and collaboration. Most stories and tasks require discussion to nail down exactly what work needs to be done. The most natural way to discuss stories and tasks is through email. However, you don’t want these discussions to get lost. When you use SonicAgile, all email discussions concerning a story or a task (including all email attachments) are captured automatically. At any time in the future, you can view all of the email discussion concerning a story or a task by opening the Story Details dialog: Why We Built SonicAgile We built SonicAgile because we needed it for our team. Our consulting company, Superexpert, builds websites for financial services, startups, and large corporations. We have multiple teams working on multiple projects. Keeping on top of all of the work that needs to be done to complete a software project is challenging. You need a good sense of what needs to be done, who is doing it, and when the work will be done. We built SonicAgile because we wanted a lightweight project management tool which we could use to coordinate the work that our team performs on software projects. How We Built SonicAgile We wanted SonicAgile to be easy to use, highly scalable, and have a highly interactive client interface. SonicAgile is very close to being a pure Ajax application. We built SonicAgile using ASP.NET MVC 3, jQuery, and Knockout. We would not have been able to build such a complex Ajax application without these technologies. Almost all of our MVC controller actions return JSON results (While developing SonicAgile, I would have given my left arm to be able to use the new ASP.NET Web API). The controller actions are invoked from jQuery Ajax calls from the browser. We built SonicAgile on Windows Azure. We are taking advantage of SQL Azure, Table Storage, and Blob Storage. Windows Azure enables us to scale very quickly to handle whatever demand is thrown at us. Summary I hope that you will try SonicAgile. You can register at www.SonicAgile.com (there’s a free 30-day trial). The goal of SonicAgile is to make it easier for teams to get more stuff done, work better together, and build amazing software. Let us know what you think!

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  • Application Lifecycle Management with Visual Studio 2010 – Wrox Book

    - by Guy Harwood
    After running with a somewhat disconnected set of tools (vs 2008, Ontime, sharepoint 2007) for managing our projects we decided to make the move to Team Foundation Server 2010.  With limited coverage of the product available online i went in search of a book and found this… View this book on the Wrox website I must point out that i have only read 10 of the 26 chapters so far, mainly the ones that cover source code control, work item tracking and database projects.  This enables our dev team to get familiar with it before switching project management over at a future date. Needless to say i am very impressed with the detail it provides, answering pretty much every question i had about TFS so far.  I'm looking forward to digging into the sections on testing, code analysis and architecture. Highly recommended.

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  • Innovating with Customer Needs Management

    - by Anurag Batra
    We're pleased to announce the addition of Agile Customer Needs Management (CNM) to the portfolio of PLM offerings by Oracle. CNM allows manufacturing companies to capture the voice of the customer and market, and arm their product designers with the information that they need to better meet customer requirements. It's an Enterprise 2.0 product that focuses on the quick information capture, ease of organizing information and association of that information with the product record - some of the key aspects of early stage innovation. Read on to learn more about this revolutionary new product that redefines how information is used to drive innovation.

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  • Welch's Juices-up Its Inventory Management with Oracle Supply Chain

    - by [email protected]
    Supply & Demand Chain Executive published recently a great success story about Welch's implementation of "Take Supply Chain and G.SI to work with Oracle Process Manufacturing". The company says it's been able to improve operational control, inventory accuracy, visibility and order fulfillment by automating its processes across three production/warehousing locations nationwide. Improving warehouse and inventory management operations creates efficiencies across a high-velocity nationwide supply chain Welch's production facilities were collecting more information than ever before on the flow of materials and inventory, but the company needed an effective and accurate method to organize and manage these data.   Article found at: http://www.sdcexec.com/publication/article.jsp?pubId=1&id=12256&pageNum=2     

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  • Welch's Juices-up Its Inventory Management with Oracle Supply Chain

    - by [email protected]
    Supply & Demand Chain Executive published recently a great success story about Welch's implementation of "Take Supply Chain and G.SI to work with Oracle Process Manufacturing". The company says it's been able to improve operational control, inventory accuracy, visibility and order fulfillment by automating its processes across three production/warehousing locations nationwide. Improving warehouse and inventory management operations creates efficiencies across a high-velocity nationwide supply chain Welch's production facilities were collecting more information than ever before on the flow of materials and inventory, but the company needed an effective and accurate method to organize and manage these data.   Article found at: http://www.sdcexec.com/publication/article.jsp?pubId=1&id=12256&pageNum=2     

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  • Welch's Juices-up Its Inventory Management with Oracle Supply Chain

    - by [email protected]
    Supply & Demand Chain Executive published recently a great success story about Welch's implementation of "Take Supply Chain and G.SI to work with Oracle Process Manufacturing". The company says it's been able to improve operational control, inventory accuracy, visibility and order fulfillment by automating its processes across three production/warehousing locations nationwide. Improving warehouse and inventory management operations creates efficiencies across a high-velocity nationwide supply chain Welch's production facilities were collecting more information than ever before on the flow of materials and inventory, but the company needed an effective and accurate method to organize and manage these data.   Article found at: http://www.sdcexec.com/publication/article.jsp?pubId=1&id=12256&pageNum=2     

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  • Talent Management in Aerospace & Defense this Thursday, April 8th

    - by jay.richey
    While many industries struggle to recover from one of the most devastating recessions in history, the aerospace and defense industry plans for record growth. And key to that growth is better management of the workforce. A&D companies are currently faced with a multitude of workforce challenges including an aging and retiring workforce, knowledge gaps created as the workforce leaves, a surge in use of contingent workers, and antiquated work environments and practices that make it difficult to attract the next generation of workers. If you are in the DC area, register to attend the Oracle Aerospace and Defense Contractors Summit in Reston this Thursday, April 8th from 8am-5pm and hear Jay Richey, Oracle HCM Applications Product Marketing Director, discuss trends in the A&D talent space and smart strategies on retaining that talent. You will also hear Accenture discuss their recent survey results - Keys to Managing Human Capital within the A&D Enterprise. Register today at http://www.oracle.com/dm/10q3field/43453_ev_oracle_aerospace_apr10.html

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  • Oracle Utilities Mobile Workforce Management V2.0 has arrived

    - by Anthony Shorten
    it is finally upon us. Oracle Utilities Mobile Workforce Management (MWM) V2.0 has been released and is now available (see Press Release). This is significant for me as this is the first product to use the new version of the Oracle Utilities Application Framework V4.0.1. This release is very significant as it adds a lot of new functionality to the framework, not just for MWM but will progressively rolled out across a few moew Oracle Utilities products over the next 12 months. Watch the skies for more annoucements. Now that Framework 4.0.1 has been released I will be updating this blog ona regular basis outlining significant features (there are over 60+ features in the new Framework) for you too understand. It has been hard work but it finally has been released and used by the first product off the assembly line we call product development.

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  • Video White Paper: Mega-Project Management: Reducing Risk & Complexity across the Value Chain

    - by Melissa Centurio Lopes
    Watch this short video white paper, to learn how Oracle Primavera can help you keep projects on track and protect your investments. You can also download the full white paper “Mega-Project Management: Reducing Risk & Complexity Across the Value Chain” to gain more in depth information about strategies for collaborating and sharing information and data in a systematic way across the value chain. Download the white paper in order to learn how your company can get the expected payoff from your next mega project. Register now to download the full complementary white paper, and discover how to: Improve decision-making and accountability through enterprise-wide visibility, workflows, and collaboration Reduce financial and performance risk

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