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  • VPN says connected but cannot ping tunnel ip

    - by Owl
    I have a VPN set up on a Symantec Gateway 320 and the status of the VPN is connected but the feature it provides is not working which means it is not actually connected..The only way to test it other than trying to use it in the program that utilizes it is to ping the remote subnet IP we use. mask numbers match, no settings have been changed it just stopped working.

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  • Error when trying to access Shared files from iMac [closed]

    - by SatheeshJM
    I used to access all my Windows XP shared files on my Mac using Finder -- Window -- Connect to server. Now all of a sudden, an error crops up when I try to connect. I get the error "There was a problem connecting to the server "192.168.1.*" The server may not exist or it is unavailable at this time. Check the server name or IP address, check your internet connection and then try again. How can I remove this error and access my shared files from my Mac? P.S my network connections is fine.

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  • Practical way to implement prevention of IP Spoofing

    - by user1369975
    I am an undergraduate Computer Science student and was hoping to gain some knowledge of ways to help prevent IP spoofing but all the resources I have tried out elaborate this concept in a theoretical way. I want to try out my hands at one of the techniques like: http://en.wikipedia.org/wiki/Port_knocking http://en.wikipedia.org/wiki/SYN_cookies How do I simulate this whole situation in my own system were I myself am the attacker and I myself have to defend it? And once I have gained an understanding of it, then how do I start translating that into programming terms?

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  • apache: bypass authentication for a specific ip

    - by Tevez G
    In Apache I have set basic authentication for /protected location. Now i need to bypass authetication for a specific ip address but keep auth for others intact. Can anyone guide me on this one. Here is my current snippet of auth protected location. Location "/protected" Order allow,deny Allow from all AuthName "Protected folder" AuthType Basic AuthUserFile /etc/htpasswd require valid-user /Location

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  • Mac has IP address, can connect to router but can't connect outside

    - by partition
    Weird problem, my MacBook can't connect anywhere right now! The router works, it gets an IP, it can log into to the router but it can't resolve anything! The router works as I connected another device to it and it connected to the net. The MacBook doesn't have any strange DNS configurations either, just 192.168.1.1 for the router I even tried tethering it to my phone, and it still would not connect to the net... help?

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  • Opening a port to make a connection in Windows 7 [closed]

    - by jannes braet
    Possible Duplicate: trouble with opening a port to make a connection I have watched a video on how to open my ports in Windows 7. I followed the example by going to my "firewall" in "advanced settings" and I made new rules in "inbound rules" and in "outbound rules". I chose to allow connections to all ports, but if I try it with canyouseeme, then it says I can't find the configured port. Maybe it is because the site is wrong, but I don't really believe so. Could someone tell me how I open my ports so that I can connect to them and others to connect to them via the internet (if they have my ip-adress of course)?

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  • Relation between TCP/IP Keep Alive and HTTP Keep Alive timeout values

    - by Suresh Kumar
    I am trying to understand the relation between TCP/IP and HTTP timeout values. Are these two timeout values different or same? Most Web servers allow users to set the HTTP Keep Alive timeout value through some configuration. How is this value used by the Web servers? is this value just set on the underlying TCP/IP socket i.e is the HTTP Keep Alive timeout and TCP/IP Keep Alive Timeout same? or are they treated differently? My understanding is (maybe incorrect): The Web server uses the default timeout on the underlying TCP socket (i.e. indefinite) and creates Worker thread that counts down the specified HTTP timeout interval. When the Worker thread hits zero, it closes the connection.

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  • Determining the hostname/IP address from the MX record in PHP

    - by pmmenneg
    Hi there, have a basic email domain validation script that takes a user's email domain, resolves the IP address from that and then checks that against various published blacklists. Here is how I am determining the IP: $domain = substr(strchr($email, '@'), 1); $ip = gethostbyname($domain); The problem is that some email address domains, such as [email protected], use an MX record rather than an A record, so using gethostbyname('alumni.example.net') will fail to resolve. I know when a user's email is using an MX in the email itself by using the PHP checkdnsrr function, but once at that stage am a little stuck as to how to proceed. In theory, I could parse out the 'root' domain, i.e. 'example.net' and check it, but I've not found reliable regex that can handle this task when the user could easily have an email the format of [email protected]... So, any suggestions on how to best tackle this??

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  • Why GPRS modem provides embedded TCP/IP stack

    - by Christian Madsen
    My colleague and I are mining the GPRS MODEM market for a module suitable for use with embedded Linux. During the market scan, we see that several vendors highlight that their MODEMs include an embedded TCP/IP stack. This makes me wonder: when we are using embedded Linux which already contains a TCP/IP stack and connects using PPP, will it make use of the stack included in the GPRS MODEM at all? My current assumption is that the stack is included for use with tiny microcontroller OS that do not supply their own stack. Also some of the MODEMs allow for running small applications IN the MODEM baseband processor which could explain the embedded stack... So: is the TCP/IP stack supplied by the GPRS MODEM superfluous when using it with an HL OS or did I overlook something?

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  • How determine database server IP via UDP in Java

    - by Wolfgang Lenhard
    Hi, I am writing clients in Java that store the data on a database server. So far, the IP and Port of the server has to be specified in the client's settings manually. I have heard, that it is possible to automatically determine the IP of database servers via broadcast / multicast / UDP (I am not familiar with these concepts). Question: Is there a way to retrieve the IP adresses of all available database-servers in the local network? I am working with the h2 database system so far. Bye, Wolfgang

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  • Store IPv6 in database

    - by poru
    What's the best practise to store IP's with PHP in MySQL database? There's a function called ip2long - but this is just for IPv4. But what about IPv6? I know a php function that is for IPv6 IP's, but it doesn't work on Windows with PHP < Version 5.3

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  • Windows equalivalent to eth0

    - by Justin Fuller
    Is there a generic IP device name for windows similar to "eth0" used by Linux and Solaris? I am attempting to monitor SCTP traffic, which appears to be successful passing the ip address, but this means for every machine to use this application would changing to use the host address. Thanks

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  • Red Hat cluster: Failure of one of two services sharing the same virtual IP tears down IP

    - by js.
    I'm creating a 2+1 failover cluster under Red Hat 5.5 with 4 services of which 2 have to run on the same node, sharing the same virtual IP address. One of the services on each node needs a (SAN) disk, the other doesn't. I'm using HA-LVM. When I shut down (via ifdown) the two interfaces connected to the SAN to simulate SAN failure, the service needing the disk is disabled, the other keeps running, as expected. Surprisingly (and unfortunately), the virtual IP address shared by the two services on the same machine is also removed, rendering the still-running service useless. How can I configure the cluster to keep the IP address up?

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  • Need to change ip address in app.config in runtime without runnning as admin

    - by djerry
    Hey guys, There's a lot of post saying how to change info in the app.config and there are posts that say you shouldn't edit info in the app.config but store info in user folders. I understand these topics. But what i want is a combination of both. I have a wcf setup for my client in an app.config, which contains the endpoint address to which it should connect. When The server changes ip, or when a client is installed on a computer in another company, the user should be able to insert another ip-address which should be stored in the app.config. This cannot be stored in a file in appdata or something like that, as the client reads the info in the app.config on startup. How can i write (so remember the new ip-address) in the app.config when the client is installed in program files, the UAC is enabled and the program isn't run as an admin? Thanks in advance.

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  • Using java applet to send request with the client ip

    - by mike
    hi, i need to send a request to a website when a user submits their url, i tried using curl but it uses server ip which i dont want i have seen a website that is doing a similar job by using applet, users need to open a popup which contains the applet after they leave it open allow it to run it uses a port and then uses the localhost ip like so 127.0.0.1:64653 to send request and basicly curl by the user ip. i decompiled the applet the website was using and they were using java.net.ServerSocket and some other java code but i do not know anything about java. I would to know how this can be done.

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  • List of IP addresses/hostnames from local network in Python

    - by joshhunt
    How can I get a list of the IP addresses or host names from a local network easily in Python? It would be best if it was multi-platform, but it needs to work on Mac OS X first, then others follow. Edit: By local I mean all active addresses within a local network, such as 192.168.xxx.xxx. So, if the IP address of my computer (within the local network) is 192.168.1.1, and I have three other connected computers, I would want it to return the IP addresses 192.168.1.2, 192.168.1.3, 192.168.1.4, and possibly their hostnames.

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  • Obtaining the server IP address in WCF?

    - by chris
    How can I obtain the server IP address that was used to connect to a service? The server has multiple IP addresses and I need to know which one the client is connected to. So far I only found that OperationContext.Current.EndpointDispatcher.EndpointAddress and OperationContext.Current.Channel.LocalAddress contain the address from .config (e.g. localhost) OperationContext.Current.IncomingMessageProperties.Via contains the Url that the client used to connect to the server (but this might just be a name from the clients hosts file). EDIT - Sorry, I wasn't being clear enough: The server needs to know which of its IP addresses were used by the client. E.g. the server has the addresses 10.0.0.1 and 10.0.0.2. when processing the request the server service needs to know if 10.0.0.1 or 10.0.0.2 was used by the client to connect to it.

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  • precise geolocalization via IP

    - by meo
    I tied the iPad the other day, and was amazed about the precision of the geolocalization by ip. Actually there is this action against hunger in the world that shows you very precisely where the persons are located that have took part to this petition: http://www.1billionhungry.org/meodai/impact/ I would like to integrate that in one of my projects. I took a look at the source but i could not figure out how they did it. Can someone help me out? is there a web service for that? Is the google map api doing this or are they using an other service? PS: Its not just the country/region of your IP/ISP IP that the service gives back, its a pretty precise positioning.

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  • What is the total amount of public IPv4 addresses?

    - by Earlz
    Yes, I am needing to know what the total number possible IPs in the public IPv4 space. I'm not sure where to even get a neat list of all the IP address ranges, so could someone point me to a resource to calculate this myself or calculate the total number of IPs for me? Also, by Public IPs I mean not counting reserved or private-range IP addresses.. Only the ones that can be access through the internet.

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  • TCP/IP and UDP Questions and very small application for interview

    - by Shantanu Gupta
    I am going for an interview day after tomorrow where i will be asked vaious questions related to TCP/IP and UDP. As of now i have prepared theoritical knowledge about it. But now I am looking up for gaining some practicle knowledge related to how it works in a network. What all is going in vaious .NET classes. I want to create a very small application like a chat or something that can make me all these concepts very much clear. Could you please suggest some questions related to TCP/IP that you generally ask or that you might have faced. How communication is going from server to client. Right now I am studying TcpClient, TcpListener and UdpClient Class but I want to implement all of them so as to get aware about its working. Is Chat application a Tcp/IP application ? I would appreciate your help.

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  • converting ip to long string in mysql command !

    - by Mac Taylor
    hey guys I'm trying to use ip2country technique to show my users'flags simple thing to do is to write a sql statement and show users from session table and then query to see if their ip is in what range and show their flags it simple but dengerous becuase when showing 300 users online and fetching from session table and then query once again ip2country table to get the flags there will be surelly memory overusage problem now i wrote a query to make it in one query : SELECT s.session_ip,ipc.* FROM session s left join ip2country ipc ON ipc.ip_lo<=s.session_ip AND ipc.ip_hi>=s.session_ip WHERE s.session_time > '".( time() - 60) )."' now its clear above query is wrong cause ips saved in ip2country table is long string 1000013824 and ips saved in session table are real ip e.g. 193.169.0.0 now i know how to convert from ip to long in php ip2long() but is there any command in mysql to do it with out building another query !?

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