CA2353180A1 - Method and apparatus for resolving a web site address when connected with a virtual private network (vpn) - Google Patents

Method and apparatus for resolving a web site address when connected with a virtual private network (vpn) Download PDF

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Publication number
CA2353180A1
CA2353180A1 CA002353180A CA2353180A CA2353180A1 CA 2353180 A1 CA2353180 A1 CA 2353180A1 CA 002353180 A CA002353180 A CA 002353180A CA 2353180 A CA2353180 A CA 2353180A CA 2353180 A1 CA2353180 A1 CA 2353180A1
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CA
Canada
Prior art keywords
domain name
vpn
dns
request
resolving
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
CA002353180A
Other languages
French (fr)
Other versions
CA2353180C (en
Inventor
Yuri Poeluev
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
BlackBerry Ltd
Original Assignee
Certicom Corp
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Certicom Corp filed Critical Certicom Corp
Priority to CA2353180A priority Critical patent/CA2353180C/en
Publication of CA2353180A1 publication Critical patent/CA2353180A1/en
Application granted granted Critical
Publication of CA2353180C publication Critical patent/CA2353180C/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L12/00—Data switching networks
    • H04L12/28—Data switching networks characterised by path configuration, e.g. LAN [Local Area Networks] or WAN [Wide Area Networks]
    • H04L12/46—Interconnection of networks
    • H04L12/4641—Virtual LANs, VLANs, e.g. virtual private networks [VPN]
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L61/00—Network arrangements, protocols or services for addressing or naming
    • H04L61/45—Network directories; Name-to-address mapping
    • H04L61/4505—Network directories; Name-to-address mapping using standardised directories; using standardised directory access protocols
    • H04L61/4511—Network directories; Name-to-address mapping using standardised directories; using standardised directory access protocols using domain name system [DNS]

Abstract

The present invention is directed at a method and apparatus of resolving an address location for a web site when connected with a virtual private network (VPN). Once the public host is connected to, or logged on to, the VPN, a software module within the public host monitors domain name requests and routes them to a domain name server (DNS) associated with the VPN. The VPN DNS then resolves the address location request and returns the address location to the software module in the form of a domain name response. The software module then forwards the address location to the requesting public host.

Claims (11)

1. A method for resolving a web site address when connected with a virtual private network (VPN) comprising the steps of:
receiving a domain name request from a public host;
resolving said domain name request at a domain name server (DNS) associated with said VPN; and returning an address location corresponding to said domain name request to said public host.
2. The method of Claim 1 wherein, prior to said step of resolving said domain name request, said domain name request is forwarded to said DNS associated with said VPN.
3. A method of resolving a domain name request for a requesting host, said host connected to a virtual private network (VPN) comprising:
intercepting a domain name request directed at an Internet service provider (ISP) domain name server (DNS) and redirecting said domain name request to a VPN DNS;
receiving a domain name response from said VPN DNS; and returning said domain name response to said requesting host.
4. The method of Claim 3 further including the step of connecting said host to said domain name resulting from said domain name request.
5. A method for resolving a web site address when connected with a virtual private network (VPN) comprising the steps of:
intercepting a domain name request from a public host addressed to a pre-determined domain name server (DNS);
forwarding said domain name request to a DNS associated with said VPN;
receiving a domain name response including an address location corresponding to said domain name request; and forwarding said domain name response to said public host.
6. The method of Claim 5 further comprising the step, occurring after said step of intercepting said domain name request, a step of modifying said domain name request.
7. The method of Claim 5 further comprising the step, occurring before said step of forwarding said domain name request, a step of modifying said domain name response.
8. Apparatus for resolving a web site address for a public host when connected with a virtual private network (VPN) comprising:
a VPN domain name server (DNS) for resolving domain name requests; and a software module for forwarding a domain name request to said VPN DNS and for receiving a domain name response from said VPN DNS and for forwarding said response to said public host.
9. The apparatus of Claim 8 wherein said domain names are related to private web sites of public web sites.
10. The apparatus of Claim 9 wherein said software module modifies said domain name request and said domain name response prior to forwarding said request and said response.
11. The apparatus of Claim 10 wherein said software module is a driver.
CA2353180A 2001-07-13 2001-07-13 Method and apparatus for resolving a web site address when connected with a virtual private network (vpn) Expired - Lifetime CA2353180C (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CA2353180A CA2353180C (en) 2001-07-13 2001-07-13 Method and apparatus for resolving a web site address when connected with a virtual private network (vpn)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA2353180A CA2353180C (en) 2001-07-13 2001-07-13 Method and apparatus for resolving a web site address when connected with a virtual private network (vpn)

Publications (2)

Publication Number Publication Date
CA2353180A1 true CA2353180A1 (en) 2003-01-13
CA2353180C CA2353180C (en) 2011-04-12

Family

ID=4169493

Family Applications (1)

Application Number Title Priority Date Filing Date
CA2353180A Expired - Lifetime CA2353180C (en) 2001-07-13 2001-07-13 Method and apparatus for resolving a web site address when connected with a virtual private network (vpn)

Country Status (1)

Country Link
CA (1) CA2353180C (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113938293A (en) * 2021-09-23 2022-01-14 深圳市柔宇科技股份有限公司 VPN network sharing method, storage medium and terminal device

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113938293A (en) * 2021-09-23 2022-01-14 深圳市柔宇科技股份有限公司 VPN network sharing method, storage medium and terminal device

Also Published As

Publication number Publication date
CA2353180C (en) 2011-04-12

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