Security to share an internet connection by power line

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• With the help of a PIX501 to secure and share an internet connection by cable

  Hi all

  I bought a PIX501 to secure my home cable modem connection and share it around my house. The PIX will act as a DHCP client (my ISP uses dynamic IP addressing) and use nat and DHCP break with my small number of inside customers.

  The default setting (set using the set up of PIX) seems ok - but I did a little "do-it-yourself" after some negative PIX customers I've read here in the United Kingdom.

  Specifically, I: -.

  -A refused requests incoming icmp (to make the "invisible" PIX to the outside world)

  -Created an access list to allow answers to my outgoing ping (something every geek network must be able to do)

  -The value "string fragment 1 outside" to drop incoming fragmented packets

  -Limit the number of connections to 200 and embroyonic at 50

  -Activated floodguard (although I don't think this should be necessary on such a lightly loaded network)

  -Compatible console logging so I have at least a bit of history of all attacks

  -Reduced some of the delays of the connection of their default values

  As I have a relatively new to this kind of thing anyone have specific advice or tips for a pix used this way?

  Thanks in advance,

  Andrew.

  When you work with ICMP, remember that [icmp] command to assign ICMP messages for the pix as the host, while the [access-list] command is used to assign ICMP messages that pass through the Pix.

  If you are using IPSec tunnels through the Pix, you can consider letting in string fragment of 2 sizes. IPSec creates broad enough to cause a lot of packets to be fragmented. Path MTU discovery would prevent, but many networks prevent incoming requests that allow the discovery to work. For this same reason, you can also consider allowing the Pix to get unreachable inside your host name if you the Pix end VPN tunnels. [icmp outside any unreachable towing]

  Floodguard is enabled by default and does not need to be enabled. It should not be necessary on a little loaded network, but it would be necessary at the time of a DoS attack if you are Pix does authentication "uauth" of traffic entering or leaving the network.

  If you are interested, the Pix can authenticate users inside before allowing the traffic leaving using RADIUS. This is useful in situations like a web server inside is attacked from outside. By the application of authentication for other traffic to leave for offending guests options are very limited. A timeout is used to trigger authentication again after some time. The [floodguard] is used to protect this feature "uauth' of the Pix.

  The Pix has signatures VERY BASIC integrated IDS that you can activate by using the set of commands [assessment of intellectual property].

  Enable SSH for authentication and encryption by generating an RSA key and saving it to Flash. [AC product key 1024 rsa] and [ca save all] disable telnet by removing all orders [telnet] and replace them with [ssh]. [http] should also be limited as much as possible for the administration.

• How to share an internet connection Wi - Fi, which requires the user name and password on a laptop computer of Windows 8 on a PC with Windows XP?

  I have Windows 8 on my laptop... and this laptop is connected to the internet via an USB-powered Wifi device, it takes an user name and password to connect to the internet otherwise it says limited connectivity and will not connect to internet... now, I have an old PC with Windows XP on it... the PC and laptop have built in LAN cards... I also have a cable that fits in the LAN cards... when I connect the two computers, LAN cards and Windows flashlights, they also show that they are connected to a local network... However, I can't use this Wifi connection on my laptop to share an internet connection with PC WIndows XP... I tried to fill, manually configure IP addresses, sharing connections, all with no luck... of many websites is a lot of confusion...: /... Please someone guide me step by step how can I make my XP PC to connect to the internet using the connection of the laptop...

  Hello Ashan,

  Thanks for the reply.

  You can try to follow the following suggestions to solve the problem.

  First, try to reset Internet Explorer and see if that helps.

  Reset Internet Explorer

  http://support.Microsoft.com/kb/923737

  Note: The Reset Internet Explorer Settings feature might reset security settings or privacy settings that you have added to the list of Trusted Sites. Reset the Internet Explorer settings can also reset parental control settings. We recommend that you note these sites before you use the reset Internet Explorer settings. Reset Internet Explorer is not reversible, and all the previous settings are lost after reset.

  Additional information:

  We can also refer to the computer or the device manufacturer's Web site and try to update the latest version of the network adapter drivers.

  (Also works for Windows 8)

  Updated a hardware driver that is not working properly

  To connect to the Internet

  http://Windows.Microsoft.com/en-us/Windows/Connect-Internet#1TC=Windows-8

  I hope this helps. Otherwise, feel free to write us again and we will be happy to help you.

  Thank you

• How to share an internet connection broadband on the Satellite A200-1VG

  Hello
  I am very new in the world of laptops, 3 days old. In fact, I have a desktop computer (the OS is XP Professional) and just bought my self a Satellite A200-1VG (the OS is Vista).
  In my view, is it possible for 2 machines to share a connection high speed, but how I do not know. I must admit to be pretty ignorant when it comes to technology (you have probably gathered that now) and I ask that any given notice will be given in the language too technical.
  Thanks in advance for a novice.
  EGP

  Hello

  Of course, you can share the internet connection with 2 computers.
  If you have a WLan router, you can connect a computer to the LAN port and the laptop can be connected via Wireless LAN.

  You can also connect two computers to the LAN port. Some routers support two (or more) of LAN ports and assign TCP/IP addresses automatically.
  If your router supports one LAN port you could buy a Hub (or switch) for more LAN ports and connect multiple computers.

  Lastly but not least you can connect to the laptop of desktop PC, but the PC needs to be equipped with min 2 LAN cards.

  I would recommend a little goggling for more details. I m you will find some useful articles.

  Good bye

• How do I share my internet connection?

  I have two laptops that I use to connect to wireless internet. The problem is that I can't get two laptops to connect to the internet simultaneously. My sister and I must take turns to use the internet, even if we use a wireless router. The main reason we got a wireless router has been to share our internet connection!

  I have:
  Virgin Media (or Telewest broadband) modem
  Belkin router wireless
  Two laptop computers (which can connect to the internet - but not at the same time)

  Hello

  If you have the wireless router, I see no problem here. Set your PPPoE connection router (the router supports a dynamic connection type). If wireless option can each laptop connected with or without the password (I don't know if you have one).

  If the WIFI network on the router is set on, if please scan the area and choose View available wireless networks. I'm sure that the same wireless network will be available on two laptops. You just need good settings.

• Can not share the internet connection through Wifi

  Hi all

  I am connected to the internet using an external antenna connected via USB to my mac (WIRELESS n 801.11). I want to share this connection since my mac with other devices, i.e. my iPhone. I use the internet connection through system preferences--> sharing--> sharing internet--> connection on the part of wlan to computers via WIFI and give a name and a password for the wifi settings. When I start the connection icon wifi on the the high watch the arrow menu to the top, but it gives an IP address from 169 auto... etc etc and I can't any traffic to my iPhone.

  I tried to configure IPv4 to use DHCP with a manual (instead of automatic DHCP) address and IP I enter the IP address used in the WiFi, wifi says that it is connected to the name of the internet connection in the shared connection, I opened but once again no traffic to the iPhone. Also tried disabling the firewall, once again nothing.

  I run El Capitan 10.11.2.

  Clues?

  OS X El Capitan: share your Internet connection

• share my internet connection with another computer using a router

  My question is if I give you my wep key to another computer in my house so that it can access the internet will be my files or no matter what content of my computer stays private, I need to share my internet connection without sharing something else?. Thanks JF

  In general, it is safe to do so - just a person granting access to your network will not give them access to your files on your computer unless you are already sharing files with another computer on your network.  In this case, you want to check your sharing settings to make sure that the shared files are not available for all users of the network.  The thing I'd be worried, is whether or not the person you share with is "don't own"-no virus, malware, etc. on their computer, given that some of these programs can spread via a shared network connection.

  "Jeanfrancoisdoray" wrote in the new message: * e-mail address is removed from the privacy... *

  My question is if I give you my wep key to another computer in my house so that it can access the internet will be my files or no matter what content of my computer stays private, I need to share my internet connection without sharing something else?. Thanks JF

• Adding a security key for an internet connection

  We already had a wireless internet connection set up, which we use for a year... A neighbour came round to say that they are able to connect to our network unsecured connection, so obviously I need now to "fix". I do this by adding a security key? I followed the instructions of windows on this operation, but it says it cannot detect our router although it is plugged directly to the laptop.

  Not a question for the forum of Security Essentials.  Visit the website of the manufacturer of your router and look at fixing it.  This key will be involved in you logging into the router and setting a WEP (or other).  Once this is done, you MUST use the same key for devices in your home.

  Doc

• How to share my internet connection on my computer 64 bit vista with my windows on the same LAN Server?

  I'm only able to get internet through a public router. I live in an apartment complex. my vista machine gets thin internet. I want to share this connection with my WHS which has not been updated in over a year. I want the ESM to download and install updates through the shared internet connection.

  Is this possible?

  I'm running vista 64 with all updates.

  Thank you!

  Angus

  Hello

  Thank you for visiting the Microsoft answers community site. The question you posted would be better suited in the Windows Home Server Forums. I would recommend posting your query in the Windows Home Server Forums.

  http://social.Microsoft.com/forums/en-us/category/WindowsHomeServer/

  I hope this helps!

• When you try to share my internet connection via AD HOC I get this error: "an error occurred while internet connection sharing was being enabled. the dependency service or group was able to start. »

  original title: cannot share internet

  I shared my internet via ad-hoc, using my wifi in my laptop running vista 64-bit. It just stoped working and now I get a message saying

  "an error occurred while internet connection sharing was being enabled.   the dependency service or group was able to start. »

  Hello

  You can view the article in the Microsoft Knowledge base and check if it helps.

  Error message when you try to connect to an ad-hoc connection in Windows Vista or Windows 7: "Windows cannot connect to" " "»

  http://support.Microsoft.com/kb/946481

  Let us know if you need more assistance.

• Cannot share the internet connection on the network with sprint card

  Hi all

  I'm stumped on this one. I'm working on my network of fathers, and he lives in a rural area. Unfourantely, there are not a lot of internet service here. It uses a printed card that connect locally to a windos vista home pc. From there on, the connection is shared and that the pc is connected to a linksys router. The router, then hosts a wireless network and hard line connections. About three weeks ago, the Internet stopped working except the computer, map of sprint is hung directly. I tried the following options below to solve the problem.

  1. I can plug the card sprint to any computer and it works.

  2. I replaced the network adapter on the host computer

  3. I have tried the card sprint on other computers and tried to share from there. Same result

  4. replace the router

  5 opportunity anotehr card Sprint which has been known to work

  6. replace the network cable between pc and router

  7. I tried removing the router from the equation and ran a network of host pc card form for directly to another computer

  8. the host and also renovated of other computers reformated

  9. do you have an ipconfig/release and renew

  10 tried sharing all NICs on the host PC

  When sharing the connection, I can see all the computers on the network. They arise, there is simply not an internet connection.

  The only mistake that I seem to get is not able to find the DNS. I put everything on dhcp.

  Any ideas that anyone can come would be most appreciated. Thank you

  Hello

  Step 01:

  I suggest you follow the same steps as expected here to set up the ICS (Internet Connection Sharing) host computer:
  http://Windows.Microsoft.com/en-us/Windows-Vista/set-up-a-shared-Internet-connection-using-ICS-Internet-connection-sharing

  Step 02:

  I also suggest you to follow the link and check.

  http://Windows.Microsoft.com/en-us/Windows-Vista/change-Internet-settings-for-ICS-Internet-connection-sharing

  For more information, please follow the link.

  http://Windows.Microsoft.com/en-us/Windows-Vista/using-ICS-Internet-connection-sharing

• Connect a Vista PC (host) with an XP PC in LAN and share the internet connection.

  I connect to internet using 3 different notebooks with Windows Vista with a wireless connection to a router and the DSL modem. I have a desktop PC XP computer in a secluded spot in my house, who does not have a wireless card. When I want to use the internet in Office XP, I connect it to a laptop using a LAN cable.

  I was able to do that with 2 of my notebooks (set up the network and share the internet), but with the third Vista notebook, desktop XP can't get the internet connection established. I was not able to detect which is the problem.

  First question: clues to debug this problem?

  Second question: I would like to start over again and configure everything again with this third book. How should I proceed?

  Turn on Internet connection sharing on the Vista wireless network connection.  If asked what to use for the home network connection, tell him to use the connection to the Local network. Then check the State of TCP/IP on both computers:

  1. On the Vista computer, right-click on the connection to the Local network, and then click on status > details . It must show:
     • IP address: 192.168.0.1
     • Subnet mask: 255.255.255.0
     • Default gateway: no
     • Server DNS = none
  2. On the XP computer, right-click on the connection to the Local network, and then click on status > support > details . It must show:
     • IP address: 192.168.0.x (1<>
     • Subnet mask: 255.255.255.0
     • Default gateway: 192.168.0.1
     • = 192.168.0.1 DNS server

  Boulder computer Maven
  Most Microsoft Valuable Professional

• Share an internet connection.

  I just changed my router and cannot allow internet sharing.  I could with the old router but now I said because I don't have that one ICS network tab is not available.  How do I set up another network connection so that sharing is available?  Can I share a connection?

  In a typical home network, there is no need to enable Internet connection sharing on all computers.  A broadband router connects to a modem cable or DSL and Internet access to all computers that connect to it, using a wired Ethernet connection or a wireless connection.

  You have a configuration where this is not possible?  If so, please give details. Boulder computer Maven
  Most Microsoft Valuable Professional

• Why can't I share an internet connection?

  Currently my Windows 7 laptop is connected to my computer from Windows Vista desktop with a CAT 5, as to share cable internet. For hours I tried to find a way to connect the computer to the internet, but even after following the same instructions of different sites over and over, my office cannot connect to the internet. I know it's possible, until I'm doing wrong?

  Pics:
  Windows 7 network and sharing screen: http://i.imgur.com/o9GUc.png
  Windows Vista network and sharing screen: http://i.imgur.com/nGKwC.jpg
  Windows 7 Internet connection sharing: http://i.imgur.com/2Vq48.png

  Make sure you have a pci extra slot for an adapter if this is the way you choose.

  Go to the computer manufacturer's website and search for your office specifications.

• Not able to share the internet connection WiFi ad-hoc assistance.

  Original title: sharing wifi on ad hoc.

  I want to share my connection to internet wifi in ad hoc aid. IM able to create a network ad hoc but both the host and client are not able to connect to internet

  Hi KarthikBN,

  The same adapter wireless or wired are unusable in both networks. This means that a network adapter must be used to connect to the Internet providing and other should be used to create the ad hoc connection.

  Hope the helps of information.