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  • Slow WLAN file transfer between server and tablet

    - by user266985
    My file server is running Ubuntu 12.04 and I'm sharing files from it over samba. It is connected via gigabit ethernet. My desktop, running Windows 8.1, is also connected via gigabit ethernet. I can transfer files between the two and completely saturate that gigabit pipe. However, I just got a Surface Pro 2, and I'm trying to stream HD movies from my server to the device over WiFi. For some reason, I can't break much past 1.5MB/s transferring files over the network. I've tried streaming through XBMC and a standard file copy; no difference. To add the confusion, if I connect to my guest network and then use my VPN server (installed on the router) to access the file server, I get around 3.2MB/s. I've been running diagnostics to determine the root and I think I've found it but I have no idea what is causing it or how to fix it. Router: Asus RT-N66U Surface Pro 2 Network Card: Marvell Avastar 350N (Driver 19/09/2013 v14.69.24044.150) InSSIDer: Link Score: 100 Co-Channels: 0 Overlapping: 0 5GHz Network Channel: 48+44 iperf File Server as Server; Surface Pro 2 as Client - TCP Performance: Acceptable ------------------------------------------------------------ Server listening on TCP port 5001 TCP window size: 85.3 KByte (default) ------------------------------------------------------------ [ 4] local 192.168.0.90 port 5001 connected with 192.168.0.56 port 57367 [ ID] Interval Transfer Bandwidth [ 4] 0.0- 1.0 sec 10.1 MBytes 84.7 Mbits/sec [ 4] 1.0- 2.0 sec 10.4 MBytes 87.6 Mbits/sec [ 4] 2.0- 3.0 sec 10.6 MBytes 88.8 Mbits/sec [ 4] 3.0- 4.0 sec 10.7 MBytes 89.5 Mbits/sec [ 4] 4.0- 5.0 sec 10.1 MBytes 84.4 Mbits/sec [ 4] 5.0- 6.0 sec 10.2 MBytes 85.8 Mbits/sec [ 4] 6.0- 7.0 sec 7.04 MBytes 59.1 Mbits/sec [ 4] 7.0- 8.0 sec 10.8 MBytes 90.2 Mbits/sec [ 4] 8.0- 9.0 sec 10.6 MBytes 89.1 Mbits/sec [ 4] 9.0-10.0 sec 8.62 MBytes 72.3 Mbits/sec [ 4] 0.0-10.0 sec 99.2 MBytes 83.1 Mbits/sec iperf Surface Pro 2 as Server, File Server as Client Performance: Poor ------------------------------------------------------------ Client connecting to 192.168.0.56, TCP port 5001 TCP window size: 22.9 KByte (default) ------------------------------------------------------------ [ 3] local 192.168.0.90 port 40233 connected with 192.168.0.56 port 5001 [ ID] Interval Transfer Bandwidth [ 3] 0.0- 1.0 sec 1.50 MBytes 12.6 Mbits/sec [ 3] 1.0- 2.0 sec 1.50 MBytes 12.6 Mbits/sec [ 3] 2.0- 3.0 sec 1.50 MBytes 12.6 Mbits/sec [ 3] 3.0- 4.0 sec 1.25 MBytes 10.5 Mbits/sec [ 3] 4.0- 5.0 sec 1.62 MBytes 13.6 Mbits/sec [ 3] 5.0- 6.0 sec 1.50 MBytes 12.6 Mbits/sec [ 3] 6.0- 7.0 sec 1.38 MBytes 11.5 Mbits/sec [ 3] 7.0- 8.0 sec 1.50 MBytes 12.6 Mbits/sec [ 3] 8.0- 9.0 sec 1.50 MBytes 12.6 Mbits/sec [ 3] 9.0-10.0 sec 1.62 MBytes 13.6 Mbits/sec [ 3] 0.0-10.1 sec 15.0 MBytes 12.4 Mbits/sec For some reason, it gets capped and I haven't got a clue why. Any suggestions? Edit: My link speed is reported as 270Mbps by Windows. I'm less than two metres from the router with a clear line of sight.

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  • Can I use static routing to allow me to use my public IP from my LAN?

    - by jnm2
    I would like to be able to use the same hostname to connect to my computer from my phone whether I'm at home or away. Currently I have to maintain duplicate entries for remote desktop, for instance. My router doesn't seem to have a NAT loopback option. I have two routers in fact, a cable modem which goes straight to my main router which does wireless. I can add to the static routing tables on each. Can I use this to loopback the public IP or do I need different routers?

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  • Does connecting to the default host via public IP from within its subnet cause any issues?

    - by username
    I'm setting up a small office network with a single public IP (let's say it's 69.16.230.117). I've configured NAT on the router with incoming traffic forwarded to the server (say the server has a private IP of 192.168.0.2). Is it okay to configure the client machines on the same subnet to access the server via the router's public IP (69.16.230.117)? In practice it's never caused me problems, but I've heard, here and there, that it is a bad idea, and one should use the private IP (192.168.0.2). Does connecting to the default host via public IP from within its subnet cause any issues? Please refrain from writing "never! it breaks the intranet!" ;-)

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  • ASUS WL-500gP v2 network between two local machines

    - by Epsiloncool
    I have two windows XP machines in my home networks, connected with ASUS WL-500gp V2 which also used as internet router. Problem is: while I have both computers normally goes to internet (used DHCP, static routes is ON, routing table is empty, operation mode is Home Gateway). I see both computers listed on the Network Neighborhood on 1st computer (wired to router), can enter to my own computer, but can not enter to other. I see only one computer (2nd) on the Network Neighborhood on 2nd computer (connected thru Wi-Fi), can enter to itself, getting error when trying to enter 1st computer address in address line (like \My1stComp). What is the problem? I totally crazy founding problem about 3 months.

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  • Internet connection resets (wifi), no device has wifi for moment

    - by Gizmo
    I have a few devices setup and I noticed this happens with both my old and new router (two different vendors&models) This happens occasionally, and I tried wireshark today and this cought my attention: No. Time Source Destination Protocol Length Info 69 6.464423000 LiteonTe_7f:64:30 Broadcast ARP 42 Who has 192.168.2.4? Tell 0.0.0.0 73 7.451146000 LiteonTe_59:65:94 Arcadyan_e1:8c:cf ARP 42 Who has 192.168.2.254? Tell 192.168.2.1 85 9.450443000 LiteonTe_59:65:94 Arcadyan_e1:8c:cf ARP 42 Who has 192.168.2.254? Tell 192.168.2.1 91 10.521000000 LiteonTe_59:65:94 Broadcast ARP 42 Who has 192.168.2.254? Tell 192.168.2.1 93 10.860953000 LiteonTe_7f:64:30 Broadcast ARP 42 Who has 192.168.2.254? Tell 192.168.2.4 97 11.099463000 LiteonTe_7f:64:30 Broadcast ARP 42 Who has 192.168.2.254? Tell 192.168.2.4 where 192.168.2.254 is the gateway/router, 192.168.2.1 my laptop ip and 192.168.2.4 my sisters laptop.. what's happening here?

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  • Is there a way for me to test my [closed]

    - by Jimi
    I have a home network with a cheap-o little router with a development server and a few devices hooked up to it. I am finding that backups of my server are taking FOREVER (a week for 60gb) running backups renders my internet connection useless from any other box int he house. I have maxed out the pipe to my house from the ISP (10down, 3up), but is there a way for me to test and see if my router is bottlenecking anything? I feel like 60gb backups shouldn't take this long so any help would be great!

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  • 2 RJ45 connectors on a one WAN cable

    - by mr_stavo
    Hello, I encountered strange setup on a network at company where I do some work. They have internet connection from small ISP located in the same building, all I see is one CAT5 cable with 2 RJ45 connectors. One is going to WAN port on the router and another into LAN port on the same router. This is the only way for internet connection to work. I tried to connect my laptop to one of the RJ45 but it won't work. Now, what is the purpose for such setup?

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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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  • Using Solr and Zends Lucene port together...

    - by thebluefox
    Afternoon chaps, After my adventures with Zend-Lucene-Search, and discovering it isn't all its cracked up to be when indexing large datasets, I've turned to Solr (thanks to Bill Karwin for that :) ) I've got Solr indexing the db far far quicker now, taking just over 8 minutes to index a table of just over 1.7million rows - which I'm very pleased with. However, when I come to try and search the index with the Zend port, I run into the following error; Fatal error: Uncaught exception 'Zend_Search_Lucene_Exception' with message 'Unsupported segments file format' in /var/www/Zend/Search/Lucene.php:407 Stack trace: #0 /var/www/Zend/Search/Lucene.php(555): Zend_Search_Lucene-_readSegmentsFile() #1 /var/www/z_search.php(12): Zend_Search_Lucene-__construct('tmp/feeds_index') #2 {main} thrown in /var/www/Zend/Search/Lucene.php on line 407 I've tried to have a search around but can't seem to find anything about this problem, everyone just seems to be able to get them to work? Any help as always much appreciated :) Thanks, Tom

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  • Zend_Soap_Client doesn't work with proxy

    - by understack
    I'm accessing a SOAP web service like : $wsdl_url = 'http://abslive3.timesgroup.com:8888/clsRSchedule.soap?wsdl' ; $client = new Zend_Soap_Client($wsdl_url, array('proxy_host'=>"http://virtual-browser.25u.com" , 'proxy_port'=>80)); Since my shared server blocks port 8888, I'm using this proxy server. But Zend Soap Client tries to directly connect it. Exception information: Message: SOAP-ERROR: Parsing WSDL: Couldn't load from 'http://abslive3.timesgroup.com:8888/clsRSchedule.soap?wsdl' : failed to load external entity "http://abslive3.timesgroup.com:8888/clsRSchedule.soap?wsdl" Stack trace: #0 /home/..../library/Zend/Soap/Client/Common.php(51): SoapClient->SoapClient('http://abslive3...', Array) #1 /home/..../library/Zend/Soap/Client.php(1024): Zend_Soap_Client_Common->__construct(Array, 'http://abslive3...', Array) #2 /home/..../library/Zend/Soap/Client.php(1180): Zend_Soap_Client->_initSoapClientObject() #3 /home/..../library/Zend/Soap/Client.php(1104): Zend_Soap_Client->getSoapClient() #4 [internal function]: Zend_Soap_Client->__call('ReturnDataSet', Array) What am I doing wrong?

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  • D-LINK 2450U DSL router: Port forwarding forwading to the modem itself, not the specified IP

    - by axk
    I found a similar question but it has no satisfactory answers. I have a D-LINK 2540U DSL router. It has a basic port forwarding(under DNS - Virtual Servers) configuration in the administration panel where you specify: external port range, protocol, internal port range, server IP address and it is supposed to forward that port to that IP address. When I first set it up for a Real VNC connection it worked fine, just as I expected. Then I added a DynDNS configuration entry in the router's 'Dynamic DNS' section and added an additional SSH (22) forwarding rule. The SSH forwarding also worked fine (now with the dynamic hostname, but I suppose it doesn't make any difference as far as SSH is concerned). Then I removed the SSH rule and after that the VNC forwarding stopped working with the VNC client failing to connect (I have tried to connect with telnet and it also failed to connect, so it wasn't a VNC problem). After adding a rule for port 80 it turned out it would forward on port 80 though not to the specified server IP but to the modem itself. At least it is what it looks like, because it gives me the administration panel when I connect to my external IP (both using a browser and plain telnet in which case I can see that it is mini_hhtpd sitting on the port, which is obviously the modem's administration panel). Have anybody encountered a similar problem with port forwarding? I have tried to do a reset through the administration panel and to restore a backup of the settings made before I started playing with port forwarding, but it didn't help. Should I do a 'hard' reset with the button on the modem? Is it any different from the administration panel's reset (Restore default)?

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  • Router and Switch VLAN Configuration for Isolated Network

    - by Ben
    I haven't worked with VLANs much in the past and I was hoping if I could get a good explanation of what I need to setup for this to work. I have a Netgear WNR2000v2 router and a Netgear GS108T smart switch currently in my network. The fourth port on the router connects to port one on the switch. I would like to be able to isolated port 8 on the switch for use as a "guest port" when I bring home malware infested PCs for repair. I figured the VLAN capabilities of the GS108T would be able to do this for me, but I think I have a misunderstanding of how the VLAN actually works. Port 8 needs internet access but should not be able to communicate with the rest of the PCs on the home network. The subnet for the home network is 192.168.1.0/24 and I would like the guest PC to have A) 192.168.1.64 or B) 192.168.2.2. I am reading a lot of stuff about port trunking and VLAN membership, but I am confused as to which setup needs to be in place to make this work. Any help is greatly appreciated! Let me know if there is more information I need to provide. Definitely looking to learn something from this project. Thanks!

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  • New router messed up server 2003 setup...

    - by Aceth
    Hey, We were sent a new 2wire router today configured it as best we can to match the old bt voyager. We've also got X static IP's. We've manage to get our webserver on one of the new IP's public facing. then we use a hardware firewall which is in a DMZ again with a different static IP. This firewall then is our gateway for our internal LAN. with a few servers etc. The problem we're having is only our PDC (primary Domain controller which has exchange 2003 on) can't ping externally even an external IP. We've connected laptops to the 2wire router and obtain a private ip 192.168.1.X and it works fine can ping etc. our other servers with an internal ip behind the firewall can ping out fine. We've connected to the firewalls logging console and the pings from the server are allowed through so its fine there. The server in question is a Windows server 2003 R2 Enterprise SP2 + Exchange 2003 Server doesn't have firewall turned on. it has static private IP .. gateway is pointing to the right one External Static IP is routing fine inwards We've ran out of ideas .. help??

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  • pfSense router on a LAN with two gateways

    - by JohnCC
    I have a LAN with an ADSL modem/router on it. We have just gained an alternative high-speed internet connection at our location, and I want to connect the LAN to it, eventually dropping the ADSL. I've chosen to use a small PFSense box to connect the LAN to the new WAN connection. Two servers on the LAN run services accessible to the outside via NAT using the single ADSL WAN IP. We have DNS records which point to this IP. I want to do the same via the new connection, using the WAN IP there. That connection permits multiple IPs, so I have configured pfSense using virtual IP's, 1:1 NAT and appropriate firewall rules. When I change the servers' default gateway settings to the pfSense box, I can access the services via the new WAN IPs without a problem. However, I can no longer access them via the old WAN IP. If I set the servers' default gateway back to the ADSL router, then the opposite is true - I can access the services via the ADSL IP, but not via the new one. In the first case, I believe this is because an incoming SYN packet arrives at the ADSL WAN IP, and is NAT'd and sent to the internal IP of the server. The server responds with a SYN/ACK which it sends via its default gateway, the pfSense box. The pfSense box sees a SYN/ACK that it saw no SYN for and drops the packet. Is there any sensible way around this? I would like the services to be accessible via both IPs for a short period at least, since once I change the DNS it will take a while before everyone picks up the new address.

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  • Port Forwarding failing only to Ubuntu servers from Draytek router

    - by Rufinus
    I know this is a kinda unusal question, but Draytek support (..which is very eager to solve the issue) seems to reach its limits. Scenario: Draytek Vigor Multiwan router with current firmware. Multiple WAN IP Aliases on one of the wan ports DMZ (or port forwarding doesnt matter) from wan ip alias to internal host currently i have two internal hosts: 192.168.0.51 (Ubuntu) 192.168.0.53 (Debian) both should be accessible from outside via one of the wan ip aliases. both are accessible with their internal ip's at all times (!) If the router gots restartet, both external ips are forwarding to its internal hosts. But after a few minutes up to 2 hours, the ubuntu host is no longer reachable via its external interface. The debian hosts on the other hand is reachable. In what does ubuntu differs from debian ? I know at least of one user with the exact same problem. see http://ubuntuforums.org/showthread.php?p=10994279 Any ideas ? TIA EDIT: via ping diagnostics directly on vigor, 192.168.0.53 is pingable, 192.168.0.51 is not. but both hosts are perfectly reachable from anywhere inside the network. if i restart ubuntu networking it works again for a short time.... i'm out of ideas.. EDIT 2: after further investigation, i noticed a ping from .51 to the network (or a host in the internet) is enough to make the port-forwarding working again. So i will add an Cronjob as a "keep-alive" ping. This will solve the problem, but the reason for this behaivor is still in the dark. Thanks to all commentors.

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  • Setting up VPN with Snow Leopard Server and Linksys router

    - by SueP
    I'd like to get VPN going so I can log in to the office securely from home. I'm using Snow Leopard machines everywhere, and currently have Airport Extremes set up at home and at the office. I have a mac mini with Snow Leopard Server that I'm going to move to the office to act as my server. I just bought a Linksys 4-port router because it says it does VPN (model RVS4000). My problem is, I don't have a clue how to set this thing up, and the more reading I do, the more confused I get. Do I need two of these routers, one at each end? My laptop and iPad claim they can do VPN, so I was assuming I only needed one VPN router? At this point, I literally don't know what questions to ask, or where to plug this thing in. Presumably, between the modem and the airport, but...? If somebody can walk me thru some really basic setup, I'd be very grateful. Right now, I feel like going outside and screaming for a while. But that might attract the local cougar, and after the prints I saw on the arena this afternoon, I don't want to draw its attention. :-)

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  • Setting up VPN with Snow Leopard Server and Linksys router

    - by SueP
    I'd like to get VPN going so I can log in to the office securely from home. I'm using Snow Leopard machines everywhere, and currently have Airport Extremes set up at home and at the office. I have a mac mini with Snow Leopard Server that I'm going to move to the office to act as my server. I just bought a Linksys 4-port router because it says it does VPN (model RVS4000). My problem is, I don't have a clue how to set this thing up, and the more reading I do, the more confused I get. Do I need two of these routers, one at each end? My laptop and iPad claim they can do VPN, so I was assuming I only needed one VPN router? At this point, I literally don't know what questions to ask, or where to plug this thing in. Presumably, between the modem and the airport, but...? If somebody can walk me thru some really basic setup, I'd be very grateful. Right now, I feel like going outside and screaming for a while. But that might attract the local cougar, and after the prints I saw on the arena this afternoon, I don't want to draw its attention. :-)

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  • Can't reliably ping 6224 router from directly-attached system

    - by David Mackintosh
    OK, here's my situation. This is on the internet. The 6224 is the router in this picture and physically resides in Kanata. Both VLAN 1697 and 3994 are provided by an internet service provider. These VLANs are provided through a single 1Gb ethernet wire. The Kanata hosts are directly attached to the 6224; the other two sites are remote. VLAN 3994 is a single IP address space, so theoretically it shouldn't matter physically where the hosts on that subnet are. Here's the problem. I have a monitoring system which is connected further into the internet, so probes from the monitor would come in to this diagram on the 1697 VLAN. When I ping hosts at Albert or Bells Corners from the internet, there is 0 loss. The connection looks perfect. When I ping hosts at Kanata, I lose anywhere from 10 to 40% of the pings. The loss is not predictable, but: when I do lose them, I always lose at least 3, usually 4, rarely more, pings in a bunch. I have attached a monitor directly to the 6224 in Kanata on 3994.. When the monitor pings the 6224 routing interface, I see exactly the same loss pattern -- but NOT at the same time as the loss from the remote system. Ping time is around 1ms. When the monitor pings another system directly attached to the 6224, there is 0 loss. Ping time is about 0.1ms, one-tenth of the time to ping the router. Anyone know what is going on here?

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  • Network outage caused by SMC8013WG Cable Modem/Router ?

    - by mkocubinski
    At work, we have a basic Class C Network. The gateway/router is a SMC8013WG (stock comcast commercial cable modem), and simple unmanaged switch (HP Pro Curve 1400 24G). The SMC8013WG is our default gateway as well as DHCP server. Periodically, I'd say almost every other day.. the entire network will just stop responding. I won't be able to ping/see the gateway, any computers on our local network, or anything on the internet. The only way to fix this is to unplug the Comcast cable modem, wait, and plug back in. This unfailingly fixes the problem. But this doesn't make much sense to me.. shouldn't the network still be fine locally, since everything is plugged into the switch anyway? Why would resetting the router fix this? Can anyone suggest anything to check to in order to narrow this problem down? Just to be clear.. here is the basic topology: { Internet } -- (12.345.67.89) Comcast Cable Modem (192.168.1.1) -- Switch -- 192.168.1.2-254 P.S. Our IT guy is in about 3 hours a day every other week or so, so.. we're kind of on our own most of the time.

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  • CISCO 2911 Router configuration

    - by bala
    Device cisco 2911 router configuration support is required please. I have exchange server 2010 configured and working without any errors the problem is in cisco router configuration when exchange server sends emails out the receives WAN IP not the public ip. I have configured RDNS lookups with our MX record IP addesses that match the FQDN but all our emails are rejected because it does not match with the public ip. Receiving mails problem is not an problem all mails are coming through. i am sure i am missing something on the router configuration that does not sends the public ip, can any one help me to solve this issue. Note; I've got 1 WAN IP & 8 Public IP from ISP . Find below the running configuration. Building configuration... Current configuration : 2734 bytes ! ! Last configuration change at 06:32:13 UTC Tue Apr 3 2012 ! NVRAM config last updated at 06:32:14 UTC Tue Apr 3 2012 ! NVRAM config last updated at 06:32:14 UTC Tue Apr 3 2012 version 15.1 service timestamps debug datetime msec service timestamps log datetime msec service password-encryption ! hostname BSBG-LL ! boot-start-marker boot-end-marker ! ! enable secret 5 $x$xHrxxxxx5ox0 enable password 7 xx23xx5FxxE1xx044 ! no aaa new-model ! no ipv6 cef ip source-route ip cef ! ! ! ! ! ip flow-cache timeout active 1 ip domain name yourdomain.com ip name-server 213.42.20.20 ip name-server 195.229.241.222 multilink bundle-name authenticated ! ! crypto pki token default removal timeout 0 ! ! license udi pid CISCO2911/K9 ! ! username bsbg ! ! ! ! ! ! interface Embedded-Service-Engine0/0 no ip address shutdown ! interface GigabitEthernet0/0 ip address 192.168.0.9 255.255.255.0 ip flow ingress ip nat inside ip virtual-reassembly in duplex auto speed 100 no cdp enable ! interface GigabitEthernet0/1 ip address 213.42.xx.x2 255.255.255.252 ip nat outside ip virtual-reassembly in duplex auto speed auto no cdp enable ! interface GigabitEthernet0/2 no ip address shutdown duplex auto speed auto ! ip forward-protocol nd ! no ip http server no ip http secure-server ! ip nat inside source list 120 interface GigabitEthernet0/1 overload ip nat inside source static tcp 192.168.0.4 25 94.56.89.100 25 extendable ip nat inside source static tcp 192.168.0.4 53 94.56.89.100 53 extendable ip nat inside source static udp 192.168.0.4 53 94.56.89.100 53 extendable ip nat inside source static tcp 192.168.0.4 110 94.56.89.100 110 extendable ip nat inside source static tcp 192.168.0.4 443 94.56.89.100 443 extendable ip nat inside source static tcp 192.168.0.4 587 94.56.89.100 587 extendable ip nat inside source static tcp 192.168.0.4 995 94.56.89.100 995 extendable ip nat inside source static tcp 192.168.0.4 3389 94.56.89.100 3389 extendable ip nat inside source static tcp 192.168.0.4 443 94.56.89.101 443 extendable ip nat inside source static tcp 192.168.0.12 80 94.56.89.102 80 extendable ip nat inside source static tcp 192.168.0.12 443 94.56.89.102 443 extendable ip nat inside source static tcp 192.168.0.12 3389 94.56.89.102 3389 extendable ip route 0.0.0.0 0.0.0.0 213.42.69.41 ! access-list 120 permit ip 192.168.0.0 0.0.0.255 any ! ! ! control-plane ! ! ! line con 0 exec-timeout 5 0 line aux 0 line 2 no activation-character no exec transport preferred none transport input all transport output pad telnet rlogin lapb-ta mop udptn v120 ssh stopbits 1 line vty 0 4 password 7 xx64xxD530D26086Dxx login transport input all ! scheduler allocate 20000 1000 end

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  • Router Alert options on IGMPv2 packets

    - by Scakko
    I'm trying to forge an IGMPv2 Membership Request packet and send it on a RAW socket. The RFC 3376 states: IGMP messages are encapsulated in IPv4 datagrams, with an IP protocol number of 2. Every IGMP message described in this document is sent with an IP Time-to-Live of 1, IP Precedence of Internetwork Control (e.g., Type of Service 0xc0), and carries an IP Router Alert option [RFC-2113] in its IP header So the IP_ROUTER_ALERT flag must be set. I'm trying to forge the strict necessary of the packet (e.g. only the IGMP header & payload), so i'm using the setsockopt to edit the IP options. some useful variables: #define C_IP_MULTICAST_TTL 1 #define C_IP_ROUTER_ALERT 1 int sockfd = 0; int ecsockopt = 0; int bytes_num = 0; int ip_multicast_ttl = C_IP_MULTICAST_TTL; int ip_router_alert = C_IP_ROUTER_ALERT; Here's how I open the RAW socket: sock_domain = AF_INET; sock_type = SOCK_RAW; sock_proto = IPPROTO_IGMP; if ((ecsockopt = socket(sock_domain,sock_type,sock_proto)) < 0) { printf("Error %d: Can't open socket.\n", errno); return 1; } else { printf("** Socket opened.\n"); } sockfd = ecsockopt; Then I set the TTL and Router Alert option: // Set the sent packets TTL if((ecsockopt = setsockopt(sockfd, IPPROTO_IP, IP_MULTICAST_TTL, &ip_multicast_ttl, sizeof(ip_multicast_ttl))) < 0) { printf("Error %d: Can't set TTL.\n", ecsockopt); return 1; } else { printf("** TTL set.\n"); } // Set the Router Alert if((ecsockopt = setsockopt(sockfd, IPPROTO_IP, IP_ROUTER_ALERT, &ip_router_alert, sizeof(ip_router_alert))) < 0) { printf("Error %d: Can't set Router Alert.\n", ecsockopt); return 1; } else { printf("** Router Alert set.\n"); } The setsockopt of IP_ROUTER_ALERT returns 0. After forging the packet, i send it with sendto in this way: // Send the packet if((bytes_num = sendto(sockfd, packet, packet_size, 0, (struct sockaddr*) &mgroup1_addr, sizeof(mgroup1_addr))) < 0) { printf("Error %d: Can't send Membership report message.\n", bytes_num); return 1; } else { printf("** Membership report message sent. (bytes=%d)\n",bytes_num); } The packet is sent, but the IP_ROUTER_ALERT option (checked with wireshark) is missing. Am i doing something wrong? is there some other methods to set the IP_ROUTER_ALERT option? Thanks in advance.

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  • Failure to obtain IP with ARP over Wi-Fi with personal Wi-Fi router in client mode

    - by axk
    I'm trying to connect a Samsung TV to the Internet using a TL-MR3020 personal wireless router in client mode. The TV fails to connect to the network. It sees the ethernet cable connected though. Here's my network topology: Here's what I've captured with Wireshark filtering for ARP (eth.type == 0x0806): It appears the TV fails to get the IP of the gateway (DSL modem/router) for some reason. One thing I've noticed is that the source MAC for the ARP requests coming from the TV is the MAC of the Portable wireless router (that is cd:89:00), not the TV itself and the modem sends the responses to that MAC (I'm not an expert and don't know if its okay or it may make the TV fail to get the requested IP). Also I'm able to ping the TV from the DSL router (through the telnet interface) and the router has an entry in its MAC table for the TV's IP with the Portable wireless router's MAC (that is cd:89:00). If I'm able to ping the TV I suppose it should know the router's MAC to respond to the ping, but then why these continuous ARP requests... I've also tried to connect my desktop trough this Portable wireless router the same way I'm trying to connect the TV and it works fine, I can set the DSL Modem's IP as the default gateway on the desktop's NIC and connect to the Internet. The TV can connect to the Internet when connected to the DSL Router with a wired connection. Any suggestions on what may be the cause of the problem / how to further debug it are welcome. Thanks!

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  • Zend_Translate scan translation files

    - by nute
    I've trying to use Zend_Translate from Zend Framework I am using "POEdit" to generate "gettext" translation files. My files are under /www/mysite.com/webapps/includes/locale (this path is in my include path). I have: pictures.en.mo pictures.en.po (I plan on having pictures.es.mo soon) It all works fine if I manually do addTranslation() for each file. However I want to use the automatic file scanning method. I tried both of those: <?php /*Localization*/ require_once 'Zend/Translate.php'; require_once 'Zend/Locale.php'; define('LOCALE','/www/mysite.com/webapps/includes/locale'); if(!empty($_GET['locale'])){ $locale = new Zend_Locale($_GET['locale']); } else{ $locale = new Zend_Locale(); } $translate = new Zend_Translate('gettext', LOCALE, null, array('scan' => Zend_Translate::LOCALE_FILENAME)); if ( $translate->isAvailable( $locale->getLanguage() ) ){ $translate->setLocale($locale); } else{ $translate->setLocale('en'); } And this: <?php /*Localization*/ require_once 'Zend/Translate.php'; require_once 'Zend/Locale.php'; define('LOCALE','/www/mysite.com/webapps/includes/locale'); if(!empty($_GET['locale'])){ $locale = new Zend_Locale($_GET['locale']); } else{ $locale = new Zend_Locale(); } $translate = new Zend_Translate('gettext', LOCALE); if ( $translate->isAvailable( $locale->getLanguage() ) ){ $translate->setLocale($locale); } else{ $translate->setLocale('en'); } In both cases, I get a Notice: No translation for the language 'en' available. in /www/mysite.com/webapps/includes/Zend/Translate/Adapter.php on line 411 It also worked if I tried to do directory scanning.

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  • PHP Uploadprogress extension function always returning null, with no upload data.

    - by abhinavlal
    I am using php 5.3.2 with uploadprogress extension to get a progressbar during upload using zend framework. Even the demo provided with zend is not working. code in zend example - if (isset($_GET['uploadId'])) { set_include_path(realpath(dirname(__FILE__) . '/../../../library') . PATH_SEPARATOR . get_include_path()); require_once 'Zend/ProgressBar.php'; require_once 'Zend/ProgressBar/Adapter/JsPull.php'; require_once 'Zend/Session/Namespace.php'; $data = uploadprogress_get_info($_GET['uploadId']); $bytesTotal = ($data === null ? 0 : $data['bytes_total']); $bytesUploaded = ($data === null ? 0 : $data['bytes_uploaded']); $adapter = new Zend_ProgressBar_Adapter_JsPull(); $progressBar = new Zend_ProgressBar($adapter, 0, $bytesTotal, 'uploadProgress'); if ($bytesTotal === $bytesUploaded) { $progressBar->finish(); } else { $progressBar->update($bytesUploaded); } } uploadprogress_get_info always returns null. I thought something is wrong with my code so i downloaded the working sample available at http://labs.liip.ch/uploadprogresssimple/index.php but even in that case in uploadprogress_get_info always return null. My uploadprogress config values uploadprogress support enabled Version 1.0.1 uploadprogress.file.contents_template /tmp/upload_contents_%s uploadprogress.file.filename_template /tmp/upt_%s.txt uploadprogress.get_contents 1 While googling around i found uploadprogress extension has some issue with Suhosin Patch < 0.9.26 but i am using Suhosin Patch 0.9.9.1

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