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• Message "Getting information" don't close

  - by William

  I have Windows 7 x64 I installed this software and I have a problem. I like Ubuntu but I feel the softwares related Linux often have problems. We each time need to seek to resolve the malfunctions. my problem is , I am getting a message as Getting information, please wait and it don't disappear. My firewall is completely deactivate and I already go to the UAC or the firewall to allow the "exe" of the Ubuntu One software in the settings. Nothing runs.Linux never run at the first time. I'm really disappointed and discouraged. Please help me. Thank you for your answers... Ps : I have Windows 7 64 bits

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• PortQry Implementation using TcpClient, Socket, and Exception Handling

  Query an endpoint service via TCP and determine if it is available for connection, refusing connectivity, or filtered by a firewall.

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• SSH refusing connection after changing default port

  - by wm90

  currently I'm handling 2 server (A and B). In server A I installed Ubuntu 12.10. I changed the SSH port into 1198 and it works fine. In server B it has been installed with Ubuntu 11.04. I tried to change the port number into 1198 as well but it refused the connection when I tried to connect again using Putty. I change the SSH configuration on /etc/ssh/sshd_config and I did restart the SSH using sudo service ssh restart. I was thinking its because of firewall allowed port but the firewall shows inactive when I run sudo ufw status. Any idea why this can happened?

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• Error installing TFS in Windows 8

  - by Davi Fiamenghi

  Trying to install TFS on my computer in order to make a demonstration. I can't figure out what else can I do to solve these errors: Information [ System Checks ] TF255142: Windows Firewall is not enabled. If you enable Windows Firewall after configuring Team Foundation Server, you must add exceptions for ports used by Team Foundation Server to Windows Firewall. Error [ Application Tier ] TF255120: Compatibility mode for Internet Information Services (IIS) 6.0 is not enabled. Team Foundation Server requires this on this operating system. Error [ Application Tier ] TF255456: You must configure Internet Information Services (IIS) to use the Static Content component. Team Foundation Server requires the Static Content component in IIS. Error [ Application Tier ] TF255397: Windows Authentication has not been configured as a role service in Internet Information Services (IIS). Team Foundation Server requires that Windows Authentication is installed as one of the role services in IIS. Error [ Application Tier ] TF255397: Windows Authentication has not been configured as a role service in Internet Information Services (IIS). Team Foundation Server requires that Windows Authentication is installed as one of the role services in IIS. Error [ Application Tier ] TF255397: Windows Authentication has not been configured as a role service in Internet Information Services (IIS). Team Foundation Server requires that Windows Authentication is installed as one of the role services in IIS. Here are my IIS features: (I installed and restarted the computer) Everything requested on the errors are installed, running on Windows 8 Consumer Preview Build 8250. IIS is working normally on http: //localhost:80 "Default Application" Please, Am I missing something?

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• Port forwarding on Fortigate 50B

  - by sindre j

  I have serious problems setting up port forwarding on a Fortigate 50B. The unit is basically running as factory default, the wan1 interface is connected to my fibre optic internet modem, and my lan is connected to the internal switch of the Fortigate. The factory default firewall policy allowing traffic from the internal interface to wan1 is kept and I'm able to access the interet as normal. Then I added a virtual ip and a firewall policy for allowing access from the internet to my local servers (ip 192.168.9.51) webserver (standard port 80). The settings I made are as follows. Edit Virtual IP Mapping Name : Server VIP External interface : wan1 Type : Static NAT Extermal IP Address/Range : 0.0.0.0 Mapped IP Address/Range : 192.168.9.51 Port Forwading : not checked Firewall policy Source interface/Zone : wan1 Source address : all Destination interface/Zone : internal Destination address : Server VIP Schedule : always Service : HTTP Action : ACCEPT no other settings checked What happens now is that I'm unable to access internet from my server, I'm not getting through to the webserver from internet either. I'm able to ping a site on the outside, but all web traffic is blocked, both ways. I've checked the documentation, but as far as I can tell I have set this up correctly. Anyone here with knowledge of Fortigate port forwading/NAT?

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• Can I subnet a subnet?

  - by Portman

  Apologies in advance for the botched terminology. I have read the Server Fault Subnet Wiki but this is more of an ISP question. I currently have a /27 block of public IPs. I use give my router the first address in this pool and then use 1-to-1 NAT for all the servers behind the firewall, so that they each get their own public IP. The router/firewall is currently using (actual addresses removed to protect the guilty): IP Address: XXX.XXX.XXX.164 Subnet mask: 255.255.255.224 Gateway: XXX.XXX.XXX.161 What I would like to do is break out my subnet into two separate /28 subnets. And do this in a way that is transparent to the ISP (i.e., they see me as continuing to operate a single /27). Currently, my topology looks like: ISP | [Router/Firewall] | [Managed Ethernet Switch] / \ \ [Server1] [Server2] [Server3] (etc) Instead, I would like it to look like: ISP | [Switch] / \ [Router1] [Router2] | | | | [S1] [S2] [S3] [S4] (etc) As you can see, this would partition me into two separate networks. I'm struggling with what the correct IP settings would be on Router1 and Router2. Here's what I have right now: Router1 Router2 IP Address: XXX.XXX.XXX.164 XXX.XXX.XXX.180 Subnet mask: 255.255.255.240 255.255.255.240 Gateway: XXX.XXX.XXX.161 XXX.XXX.XXX.161 Note that normally you would expect Router2 to have a gateway of .177, but I'm trying to get them both to use the gateway originally given to me by the ISP. Is subnetting like this in fact possible, or am I completely botching the most basic concepts?

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• Why does my Belkin wireless router has eMule port open?

  - by Jeremy Powell

  I have a Belkin F6D4230-4 v1 router. When I port scan it with nmap I get the following: $ sudo nmap -sS -A -T5 192.168.2.1 -p- Starting Nmap 5.00 ( http://nmap.org ) at 2010-04-17 11:40 CDT Interesting ports on 192.168.2.1: Not shown: 65532 closed ports PORT STATE SERVICE VERSION 80/tcp open http Belkin 2307 wifi router http config (IP_SHARER httpd 1.0) |_ html-title: '+i1+' 4661/tcp filtered unknown 4662/tcp filtered edonkey MAC Address: 00:22:75:5D:52:D8 (Belkin International) Device type: WAP|broadband router|firewall|printer|specialized|webcam Running (JUST GUESSING) : Linksys embedded (95%), TRENDnet embedded (95%), Netgear embedded (92%), Canon embedded (89%), On Time RTOS (89%), Symantec embedded (89%), D-Link embedded (86%), Polycom embedded (85%) Aggressive OS guesses: Linksys WRT54GC or TRENDnet TEW-431BRP wireless broadband router (95%), TRENDnet TW100-BRF114 broadband router (95%), Netgear FR114P ProSafe VPN firewall (92%), Canon PIXMA MX850 printer (89%), On Time RTOS (89%), Symantec Firewall/VPN 100 (89%), D-Link DI-714P+ wireless broadband router (86%), Polycom ViewStation video conferencing system (85%) No exact OS matches for host (test conditions non-ideal). Network Distance: 1 hop Service Info: Device: WAP OS and Service detection performed. Please report any incorrect results at http://nmap.org/submit/ . Nmap done: 1 IP address (1 host up) scanned in 21.57 seconds Why are the 4461 and 4462 ports open? This is a basic, out-of-the-box installation.

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• How does cross domain authentication work in a firewalled environment?

  - by LVLAaron

  This is a simplification and the names have been changed to protect the innocent. The assets: Active Directory Domains corp.lan saas.lan User accounts [email protected] [email protected] Servers dc.corp.lan (domain controller) dc.saas.lan (domain controller) server.saas.lan A one way trust exists between the domains so user accounts in corp.lan and log into servers in saas.lan No firewall between dc.corp.lan and dc.saas.lan server.saas.lan is in a firewalled zone and a set of rules exist so it can talk to dc.saas.lan I can log into server.saas.lan with [email protected] - But I don't understand how it works. If I watch firewall logs, I see a bunch of login chatter between server.saas.lan and dc.saas.lan I also see a bunch of DROPPED chatter between server.saas.lan and dc.corp.lan. Presumably, this is because server.saas.lan is trying to authenticate [email protected] But no firewall rule exists that allows communication between these hosts. However, [email protected] can log in successfully to server.saas.lan - Once logged in, I can "echo %logonserver%" and get \dc.corp.lan. So.... I am a little confused how the account actually gets authenticated. Does dc.saas.lan eventually talk to dc.corp.lan after server.saas.lan can't talk to dc.corp.lan? Just trying to figure out what needs to be changed/fixed/altered.

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• Short POST data in HTTP

  - by Matt

  We're hosting a customer's Debian Linux web server. It's running a PHP based web application. The server is sitting behind our firewall with it's own virtual interface and port 80 is forwarded internally to a machine sitting in the DMZ. The issue we're having is that when data is posted to the server it seems to be being cut short for some users. It's reproducable for some users on the same box. But the same user sending the same data on the same lan on another PC it works. The data gets cut to around 1140 bytes I'm told. Any idea why this might be happening? The customer is blaming our firewall, but then surely we'd have issues with other services. I'm suspecting it's a problem with the website itself. Suggestions on how to isolate the problem would be of help. Our firewall is Astaro. EDIT: A customer has set the ethernet frame size temporarily to 500bytes on the server. This made it work for now! I know some of the customers are using an internet provider that runs PPPoE

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• Cygwin, ssh, and git on Windows Server 2008

  - by Paul

  Hi everyone. I'm trying to setup a git repository on an existing Windows 2008 (R2) server. I have successfully installed Cygwin & added git and ssh to the packages, and everything works perfectly (thanks to Mark for his article on it). I can ssh to localhost on the server, and I can do git operations locally on the server. When I try to do either from the client, however, I get the "port 22, Bad file number" error. Detailed SSH output is limited to this: OpenSSH_4.6p1, OpenSSL 0.9.8e 23 Feb 2007 debug1: Connecting to {myserver} [{myserver}] port 22. debug1: connect to address {myserver} port 22: Attempt to connect timed out without establishing a connection ssh: connect to host {myserver} port 22: Bad file number Google tells me that this means I'm being blocked, usually, by a firewall. So, double-checked the firewall settings on the server, rule is there allowing port 22 traffic. I even tried turning off the firewall briefly, no change in behavior. I can ssh just fine from that client to other servers. The hosting company swears that there's no other firewalls blocking that server on port 22 (or any other port, they claim, but I find that hard to believe). I have another trouble ticket into them, just in case the first support person was full of it, but meanwhile I wanted to see if anyone could think of anything else it can be. Thanks, Paul

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• Not Able To Connect to Windows Server 2008 R2 using FileZilla Externally

  - by obautista

  I configured FTP Service/Role on my Windows Server 2008 R2 machine. I am able to connect from the inside, but not from the outside. On the inside I tested using cmd prompt and IE FTP. On the outside, I am testing with FileZilla and IE FTP. From the outside, IE FTP prompts me to enter my username/pwd, but nothing happens. Page eventually times out and I get "Internet Explorer cannot display page". Using FileZilla, I get the following messages. Note FileZilla resolved domain name and authenticates. I did not configure FTP Wirewall Support on the FTP site. I am not sure if I need to do this. I set up basic authentication, non-ssl, not allowing anonymous. I testing with Windows Firewall Turned off and on (I added windows firewall rule for port 21). On my network firewall (Cisco), I added a rule to forward port 21 traffic to FTP Server. Status: Resolving address of ftp.technologyblends.com Status: Connecting to 75.149.66.201:21... Status: Connection established, waiting for welcome message... Response: 220 Microsoft FTP Service Command: USER * Response: 331 Password required for . Command: PASS *** Response: 230 User logged in. Command: SYST Response: 215 Windows_NT Command: FEAT Response: 211-Extended features supported: Response: LANG EN* Response: UTF8 Response: AUTH TLS;TLS-C;SSL;TLS-P; Response: PBSZ Response: PROT C;P; Response: CCC Response: HOST Response: SIZE Response: MDTM Response: REST STREAM Response: 211 END Command: OPTS UTF8 ON Response: 200 OPTS UTF8 command successful - UTF8 encoding now ON. Status: Connected Status: Retrieving directory listing... Command: PWD Response: 257 "/" is current directory. Command: TYPE I Response: 200 Type set to I. Command: PASV Error: Connection timed out Error: Failed to retrieve directory listing

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• Windows 7, network connection with no default gateway: any way to change the "Unknown network" statu

  - by e-t172

  Hi, I have a computer running Windows 7 Pro RTM. This computer has two network connections: A Wi-fi connection to the Internet (through a home router) which works just fine. An OpenVPN virtual network connection. More precisely, this is a virtual Ethernet connection which behaves exactly like a physical Ethernet wired connection. My problem is that the "Network and sharing center" shows "Unknown network" for the OpenVPN connection. After some research I found that logical networks (outside a domain) are identified by the MAC address of the default gateway of the connection. Problem is, the OpenVPN connection has no default gateway: it is a private network, so I don't need one... Consequently, the "Unknown network" is always considered public, so the firewall is always in "public mode", which I don't want. Plus, I can't rename "Unknown connection" or anything (which makes sense), so it is kinda ugly. My goal is to define a proper logical network for the OpenVPN connection with the private profile. I know of some workarounds (disable the firewall, modify security policy to make all unknown networks "private") but they're still workarounds. I just want my clients to connect to the VPN without having to disable their firewall settings, without changing global configuration with potential side-effects (the "security policy" solution) and without having to look at an ugly "Unknown connection" in the Network and sharing center. Is there any way I can do this? I tried to check what was going on in the registry (HKLM\SOFTWARE\Microsoft\Windows NT\CurrentVersion\NetworkList is interesting), but I still didn't find a way to "force" the OpenVPN connection to be assigned to a logical network. Any help would be very appreciated. A related question showed up at Superuser: http://superuser.com/questions/37355/windows-7-cant-identify-network/37422

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• Routing multiple static IPs from ISP at the cable modem?

  - by Jakobud

  I'm taking over IT responsibilities for a previous IT guy. We have a 50mb cable modem connection from Comcast along with 5 static IP addresses: XXX.XXX.XXX.180 XXX.XXX.XXX.181 XXX.XXX.XXX.182 XXX.XXX.XXX.183 XXX.XXX.XXX.184 We are in the process of replacing our firewall machine. Currently the firewall box is the only thing connected to the cable modem. However the cable modem has multiple ethernet ports on it, similarly to a router. I have assembled a new firewall machine and its time to start testing and configuring it. So that means that I also need it plugged into the cable modem (remember it has multiple ethernet ports on it). So now with multiple computer plugged into the cable modem, how does the cable modem know where to route the traffic? If some request on the internet is made to XXX.XXX.XXX.181, which goes to our cable modem, how does the cable modem know which connected computer that traffic is supposed to be sent? Looking at the web interface for the cable modem, there doesn't seem to be anything special setup on it with regards to routing or NATing IP addresses. Is that because when there is only one computer connected to the modem, all traffic is sent to it by default? Now that I am going to (temporarily) have multiple computers plugged into the cable modem, do I need to specify routing or NAT rules on the modem itself? I am going to speak to Comcast about this next, but I figured I'd ask here first just so I can get a better grasp on how this type of thing generally plays out.

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• ScreenOS MIP selection for outbound connections

  - by David Mackintosh

  Given a ScreenOS 6.3.0 firewall with this configuration: unset flow reverse-route clear-text set interface "ethernet0/0" zone "Trust" set interface ethernet0/0 ip 192.168.1.1/24 set interface ethernet0/2 ip 10.0.0.1/24 set interface ethernet0/2 mip 10.9.9.10 host 192.168.1.10 netmask 255.255.255.255 vr trust-vr set interface ethernet0/2 mip 10.8.8.10 host 192.168.1.10 netmask 255.255.255.255 vr trust-vr set route 0.0.0.0/0 interface ethernet0/2 gateway 10.0.0.254 ... (and assuming appropriate policies) is there a way to control which MIP the firewall selects for outbound connections initiated by 192.168.1.10? (presumably because I want the upstream 10.0.0.254 to do different things with the packet depending on what its source IP is). Update: OK, my scenario is this: I have two ISP uplinks, each giving me a different IP space. Each ISP will only route the IP space they have assigned me. So in order for the server to be reachable by both ISPs, I need two MIPs for the same server, one on each interface. Inbound traffic will work fine with the 'unset flow reverse-route clear-text' option in use. But for outbound (think an email server sending a message) I need a way to select an appropriate MIP depending on which outbound link I want the system to use, and I want this to be resiliant so that if the link the firewall prefers goes down overnight I don't have to manually flip something to keep the mail flowing. Basically I'm trying to avoid having to buy a link-balancer appliance (or two since I'll need a cluster). Is there a way to do this?

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• Windows update stuck. Fixt it stuck. So is KB947821. What should I do?

  - by Jim Thio

  I installed a new computer. After I installed I update everything and let the computer runs for days. Then I don't know what my daughter do. The computer stop responding. Windows update no longer work. People said to run fix it. Fix it run and after that the problem still persist and it still doesn't work. The problem changes though. Before there is some error code. Now windows update simply "updating" never end. So I downloaded KB947821. It's been 3 hour and it's still installing. Looks like it hit firewall or something. i don't see windows update on firewall exception list. However, I've never heard that this is an issue. Firewall only protect against incoming transaction, not outgoing right? Or what am I missing. What should I do?

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• Providing access to a Samba server for VPN clients

  - by Kamil Kisiel

  We have some Windows users that connect to our network via VPN from home. They need to be able to connect to our Samba server and access a mapped network drive just as they do as when they are on our LAN. The complication is that VPN clients are placed on a subnet other than our office LAN, and behind a firewall. What's the easiest way for me to allow them to still connect to the network share? The solutions I've currently seen involve setting up a WINS server for name resolution purposes and then tunnelling a bunch of the NetBIOS stuff through the firewall. However that means I'd have to set up the VPN DHCP server to hand out the WINS address, something I'm not even sure is possible on the Cisco hardware we have. I'm thinking there must be an easier way. Should I use an LMHOSTS file? Or just map by IP address? Also, I'm not terribly familiar with Windows networking, so which ports would I need to pass through my firewall in order to get the file sharing through?

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• Unable to access stackexchange sites from this system

  - by Sandeepan Nath

  Earlier, I was not able to access most of the stackexchange sites like stackoverflow, programmers.SE etc. on my home Windows XP system. I was able to access only a few like http://meta.stackexchange.com and not even http://www.meta.stackexchange.com (note the www). I tried many other sites like http://www.stackoverflow.com, http://area51.stackexchange.com/ but was getting page not found errors on all browsers. Even pinging from terminal was saying destination host unreachable. I did not check recently but may be all SE sites are unreachable now. I was clueless about what could be the issue. I thought some firewall issue? So, I stopped AVG antivirus's firewall, then completely uninstalled it and even turned of windows firewall. But still not reachable even after fresh installation of Windows 7. Then I noticed a "Too many requests" notice on google. This page - http://www.google.co.in/sorry/?continue=http://www.google.co.in/# I don't know why this appeared but I guess somehow too many requests might have been sent to these sites and they blocked me. But in that case, SE would be smart enough to show a captcha like google. So, how to confirm the problem and fix it. Similar questions like these don't look solved yet - Unable to access certain websites Unable to Access Certain Websites I have lately started actively participating in lots of SE sites. There are new new questions popping up in my mind every time and I am not able to ask them. Please help! Thanks

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• Hyper-V 2008 R2 synthetic networking stops working with linux 2.6.32.15

  - by luxifer

  Hi there, so I thought I'd give Hyper-V on Windows Server 2008 R2 Enterprise a try on my Homeserver (yes, it's legit... got it from msdnaa). First thing to throw at it was my firewall which runs IPFire. This distribution currently uses the kernel version 2.6.32.15 and comes with the Hyper-V drivers. So I enabled them and at first they work just fine but after a few minutes they just fail. There are no packages going in or out anymore until I reboot the VM but sometimes even that won't work so the VM just keeps "Stopping" like forever. Emulated networking works fine but it slow and uses more CPU. That way my firewall routes slower than when running under virtualbox on an atom N270. My server has an E6750; VM is limited to 25%, but that should still outperform this atom CPU especially since it's never going anywhere near 100% CPU load, so give me a break! A quick google search led me to people having the same problem (even with other distributions and kernel versions that include those drivers) but no solution yet... I already found this but I can't quite follow the author on the part where he solved the issue - especially since I need two virtual nics for my firewall distro to work (obviously one internal and one external) What am I missing here?

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• OpenSwan (IPSEC) on Fedora 13 with Snow Leopard as a client

  - by sicn

  I recently installed OpenSwan on my Fedora 13 machine. I want to use it to connect with Mac OS X with L2TP over IPSEC, unfortunately I am already stuck on the IPSEC-negotation part. My server is running behind a NATted firewall so my external IP differs from the server's IP. The server has a fixed IP on the network and the same is almost always valid for the clients (they are usually behind a NATted firewall). I installed OpenSwan on Fedora 13 and have following configuration: config setup protostack=netkey nat_traversal=yes virtual_private=%v4:10.0.0.0/8,%v4:192.168.0.0/16,%v4:172.16.0.0/12 oe=off nhelpers=0 conn L2TP-PSK-NAT rightsubnet=vhost:%priv also=L2TP-PSK-noNAT conn L2TP-PSK-noNAT authby=secret pfs=no auto=add keyingtries=3 rekey=no ikelifetime=8h keylife=1h type=transport left=my.servers.external.ip leftprotoport=17/1701 right=%any rightprotoport=17/0 IPSEC starts fine and listens to UDP 500 and 4500. These two ports are opened in the firewall and are forwarded fine to the server. In my /etc/ipsec.secrets file I have my.servers.external.ip %any: "LongAndDifficultPassword" And finally in my sysctl.conf (the redirect-entries are there because OpenSwan was strongly protesting about send/accept_redirects being active) I have net.ipv4.ip_forward = 1 net.ipv4.conf.all.send_redirects = 0 net.ipv4.conf.all.accept_redirects = 0 Running "ipsec verify" gives me "all greens" (except Opportunistic Encryption Support, which is DISABLED), however, when trying to connect my Mac gives me following in the logs: Nov 1 19:30:28 macbook pppd[4904]: pppd 2.4.2 (Apple version 412.3) started by user, uid 1011 Nov 1 19:30:28 macbook pppd[4904]: L2TP connecting to server 'my.servers.ip.address' (my.servers.ip.address)... Nov 1 19:30:28 macbook pppd[4904]: IPSec connection started Nov 1 19:30:28 macbook racoon[4905]: Connecting. Nov 1 19:30:28 macbook racoon[4905]: IKE Packet: transmit success. (Initiator, Main-Mode message 1). Nov 1 19:30:31 macbook racoon[4905]: IKE Packet: transmit success. (Phase1 Retransmit). Nov 1 19:30:38: --- last message repeated 2 times --- Nov 1 19:30:38 macbook pppd[4904]: IPSec connection failed Any ideas at all?

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• Wireless Activity Monitoring for PCI DSS Compliance

  - by dkusleika

  In an effort to be PCI DSS compliant, I took a trustkeeper.net questionnaire. I failed the question that asks Is the presence of wireless access points tested for by using a wireless analyzer at least quarterly or by deploying a wireless IDS/IPS to identify all wireless devices in use? (SAQ #11.1) My only wireless access point is outside my firewall, so even if you cracked my wireless you couldn't get inside my domain (unless you crack that too). My firewall doesn't have IPS and I couldn't tell if it had IDS. I looked around for a wireless analyzer, but what I found was $500, which is a little pricey for my size business. And even if I got it, I'm not sure I would understand what it tells me. Surely there are smaller/less sophisticated businesses that take credit cards and have solved this. My questions are: What are the risks if someone were to crack my wireless? (Could they read all internet traffic? Just wireless traffic? Just use my internet connection?) And what is the best/cheapest way to test my connection point quarterly? Should I buy the $500 analyzer? Domain is Windows Server 2000. Firewall is Sonicwall Pro 2040. Router is 8 port D-link.

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• Cisco Catalyst 4500 Policy Based Routing

  - by Logan

  In order to test a new firewall I just set up I'm trying to implement policy based routing on our core switch. I want traffic from certain vlans to be routed to the new firewall while everything else continues being routed through the old firewall. I was trying to use this guide. Everything from that guide works fine except trying to run the "ip policy route-map" command in the interface configuration mode. IOS is telling me that such a command doesn't exist. A "show ip interface vlan" command says that policy routing is disabled. Any ideas? Output of "show ver": Cisco IOS Software, Catalyst 4500 L3 Switch Software (cat4500-IPBASEK9-M), Version 12.2(53)SG, RELEASE SOFTWARE (fc3) Technical Support: http://www.cisco.com/techsupport Copyright (c) 1986-2009 by Cisco Systems, Inc. Compiled Thu 16-Jul-09 19:49 by prod_rel_team Image text-base: 0x10000000, data-base: 0x11D1E3CC ROM: 12.2(31r)SG2 Dagobah Revision 226, Swamp Revision 34 RTTMCB2223-1 uptime is 3 years, 22 weeks, 2 days, 19 hours, 28 minutes Uptime for this control processor is 51 weeks, 2 days, 18 hours, 2 minutes System returned to ROM by power-on System restarted at 19:22:02 UTC Tue Jul 12 2011 System image file is "bootflash:cat4500-ipbasek9-mz.122-53.sg.bin" ... cisco WS-C4510R (MPC8245) processor (revision 4) with 524288K bytes of memory. Processor board ID FOX103703W3 MPC8245 CPU at 400Mhz, Supervisor V Last reset from PowerUp 42 Virtual Ethernet interfaces 244 Gigabit Ethernet interfaces 511K bytes of non-volatile configuration memory. Configuration register is 0x2

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• I have added a port to the public zone in firewalld but still can't access the port

  - by mikemaccana

  I've been using iptables for a long time, but have never used firewalld until recently. I have enabled port 3000 TCP via firewalld with the following command: # firewall-cmd --zone=public --add-port=3000/tcp --permanent However I can't access the server on port 3000. From an external box: telnet 178.62.16.244 3000 Trying 178.62.16.244... telnet: connect to address 178.62.16.244: Connection refused There are no routing issues: I have a separate rule for a port forward from port 80 to port 8000 which works fine externally. My app is definitely listening on the port too: Proto Recv-Q Send-Q Local Address Foreign Address State User Inode PID/Program name tcp 0 0 0.0.0.0:3000 0.0.0.0:* LISTEN 99 36797 18662/node firewall-cmd doesn't seem to show the port either - see how ports is empty. You can see the forward rule I mentioned earlier. # firewall-cmd --list-all public (default, active) interfaces: eth0 sources: services: dhcpv6-client ssh ports: masquerade: no forward-ports: port=80:proto=tcp:toport=8000:toaddr= icmp-blocks: rich rules: However I can see the rule in the XML config file: # cat /etc/firewalld/zones/public.xml <?xml version="1.0" encoding="utf-8"?> <zone> <short>Public</short> <description>For use in public areas. You do not trust the other computers on networks to not harm your computer. Only selected incoming connections are accepted.</description> <service name="dhcpv6-client"/> <service name="ssh"/> <port protocol="tcp" port="3000"/> <forward-port to-port="8000" protocol="tcp" port="80"/> </zone> What else do I need to do to allow access to my app on port 3000? Also: is adding access via a port the correct thing to do? Or should I make a firewalld 'service' for my app instead?

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• How to subnet hosted VMs

  - by bwizzy

  I have a network of VMs each having a LAN IP address and a public IP address. They each have a 1:1 NAT map for public access via the public IP for HTTP, SSH etc. I'm trying to figure out a way to restrict the LAN IPs from talking to each other, but there are some cases where a group of LAN IPs will need to communicate. I'm using pfSense as a firewall / router on a 192.168.0.0/24 configuration. It seems like I could assign each VM it's own subnet and add a static route to the firewall for that VM to get back to the firewall for internet access / other fw rules. Is that right? I assigned 1 VM with: address 192.168.1.2 netmask 255.255.255.254 gateway 192.168.1.1 Then added a static route on the FW's LAN interface using 192.168.1.0/30 as the destination network and 192.168.1.1 as the gateway. Nothing appears to be working, anyone have any ideas? Please be aware I'm not that familiar with subnets. Thanks!

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• How can you connect to a SQL Server not on your domain?

  - by scotty2012

  I have a test machine that's not allowed on our domain because we are testing corporately unsupported applications (SQL 2008 and Server 2008). I want to use management studio to connect to the SQL2008 server but can't get it working. I have authentication set to mixed-mode, I've checked 'allow remote connections to this server', but when I try to access it, I get the error A network-related or instance-specific error occurred while establishing a connection to SQL Server. The server was not found or was not accessible. Verify that the instance name is correct and that SQL Server is configured to allow remote connections. (provider: Named Pipes Provider, error: 40 - Could not open a connection to SQL Server) (Microsoft SQL Server, Error: 53) Since it says the provider is Named Pipes, I enabled Named Pipes on the server, but still no dice. I've tried connecting to the system name, the IP, the system name\instance and IP\instance, all to no avail. Is what I'm trying to do not possible? Edit: Well, through some basic troubleshooting, I've found that I can't ping the server from my client computer, but I can ping the client computer from the server? They are both plugged into the same switch, and are sitting next to each other. The windows firewall on the server is turned on, is there some specific settings I need to enable? DAH! So it was the firewall blocking me. How can I enable the firewall and still connect?

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• Completely remove and freshly install MySql on XP?

  - by Corey Ogburn

  I have read this question and have not found it as a solution and I have even attempted much more. I've uninstalled MySql 5.5.18 and deleted: C:\Program Files\MySql C:\Documents and Settings\All Users\Application Data\MySql After uninstalling, I restart the computer. When I reinstall, in the MySql Server Instance Configuration Wizard I leave everything to their defaults except: I add a firewall exception I check Launch MySQL Server Automatically I check Include BIN directory in windows path Enable root access from remote machines (I'll lock that down later, just debugging for now, I have also tried installing without this option to no avail) I've tried Typical and Complete while installing, as well as with and without strict mode. No combination shows a difference. After all this, it cannot Apply Security Settings and I get a 10061 error (it also said error number 2003) and this article didn't help. I've tried everything I can to completely uninstall and successfully reinstall so I can start from scratch. I've uninstalled and reinstalled about a dozen times with minor changes (including turning off the firewall at times), each time deleting the above folders and any proper registry entries with no success. Note by success, applying security settings and a working remote connection. I can connect locally every time, but it's remotely that counts. I have tried to look for exterior problems such as port forwarding in the router and (even though the installer should add it) I do double check the firewall settings, which have always allowed the default port. I'm out of ideas.

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