만약에 웹사이트에 접속시 오류가 있을 경우, "서버를 찾을 수 없습니다"라는 메시지를 만나게 됩니다. 본 문서는 그런 오류에 대한 문제 해결 방법을 안내 합니다. *다른 오류에 대한 문제 해결방법을 보실려면 [[Error loading web sites|웹 사이트 접속시 오류 ]]를 참고하십시오. __TOC__ = 다른 웹 브라우저 확인하기= 먼저 다른 웹브라우저가 있는 경우 웹 사이트 접속 기능한지 확인 합니다.(예 {for win}Internet Explorer{/for}{for mac}Safari{/for}{for linux}Epiphany{/for}). * 만약 모든 웹 브라우저로 확인이 안된다면 [[#No browsers can load websites|다음 부분]]을 살펴 보십시오. * 다른 웹 브라우저에서 웹 페이지가 보인다. [[#Firefox cannot load websites but other browsers can|Firefox만 웹 사이트 열기가 안됩니다]] 항목을 살펴 보십시오. = 다른 웹브라우저로 이용 못하는 경우 = Firefox 뿐만 아니라 다른 웹 브라우저로도 이용을 못하는 경우 운영 체제별로 아래 항목을 살펴 보십시오.{for win,mac}:{/for}{for linux}.{/for} {for win} * '''(Windows 7)''': See [http://windows.microsoft.com/en-us/windows7/Why-can-t-I-connect-to-the-Internet Why can't I connect to the Internet] at Microsoft.com. * '''(Windows Vista)''': See [http://windows.microsoft.com/en-us/windows-vista/Troubleshoot-Internet-connection-problems Troubleshoot Internet connection problems] at Microsoft.com. * '''(Windows XP)''': See [http://www.microsoft.com/windowsxp/using/networking/maintain/troubleshoot.mspx Troubleshooting network connection problems] at Microsoft.com {/for} {for mac} * See [http://docs.info.apple.com/article.html?path=Mac/10.6/en/8341.html If you can’t connect to the Internet] at Apple.com. {/for} {for win,mac}You should also check the following:{/for}{for linux}You should begin by checking the following:{/for} * Make sure you modem and/or router are both on and are not indicating errors. * If you are using a wireless connection, make sure that you are connected to the right access point. * Make sure your Internet security software (including firewalls, antivirus programs, anti-spyware programs, and more) is not blocking connections to the Internet. For instructions on how to configure some programs, see the [[Firewalls]] article. * If you use a proxy server, make sure that the proxy server can connect to the Internet. For instructions on configuring proxy settings in Firefox, see [[#Firefox connection settings|Firefox connection settings]] below. = Firefox cannot load websites but other browsers can = If Firefox cannot load websites, but your other browser can, follow the instructions below. == Cannot load websites after updating Firefox == If you were able to load websites until you updated Firefox, your Internet security software (including firewalls, antivirus programs, anti-spyware programs, and more) is likely preventing Firefox from connecting to the Internet. Some Internet security programs can block Internet access even when they are in a "disabled" state. In general, you should remove Firefox from your program's list of trusted or recognized programs, then add it back. For instructions on how to configure some programs, see the [[Firewalls]] article. == Firefox connection settings == If you connect to the Internet through a proxy server that is having connection problems, you will not be able to load websites. To check your Firefox proxy settings: # [[T:optionspreferences]] # Select the {menu Advanced} panel. # Select the '''Network''' tab. # In the Connection section, click {button Settings...}. # Change your proxy settings: ** If you don't connect to the Internet through a proxy (or don't know whether you connect through a proxy), select '''No Proxy'''. ** If you connect to the Internet through a proxy, compare Firefox's settings to another browser's{for win} (Such as Internet Explorer. See [http://support.microsoft.com/kb/135982 Microsoft's guide to proxy settings]){/for}{for mac} (Such as Safari. See [http://docs.info.apple.com/article.html?path=Safari/3.0/en/9299.html Apple's guide to proxy settings]){/for}. # Close the Connection Settings window. # [[T:closeOptionsPreferences]] {for fx35} == DNS Prefetching == [https://developer.mozilla.org/En/Controlling_DNS_prefetching DNS Prefetching] is a technique Firefox uses to speed up loading new websites. To disable DNS Prefetching: # [[T:aboutconfig]] # [[T:contextmenu]] in the list of preferences, select {menu New}, and then select {menu Boolean}. # In the '''Enter the preference name''' window, enter {pref network.dns.disablePrefetch} and click {button OK}. # Select {pref true} when prompted to set the value and click {button OK}. {/for} == IPv6 == Firefox supports [http://en.wikipedia.org/wiki/IPv6 IPv6] by default, which may cause connection problems on certain systems. To disable IPv6 in Firefox: # [[T:aboutconfig]] # In the '''Filter''' field, type {pref network.dns.disableIPv6} # In the list of preferences, double-click {pref network.dns.disableIPv6} to change its value from {pref false} to '''{pref true}'''. = Firefox cannot load certain websites = If you find that Firefox can load some websites but not others, {for win}first{/for} clear your Firefox cookies and cache: [[T:clearCookiesCache]] {for win} == Check for malware == If clearing your cookies and cache did not enable you to load the websites that did not work in Firefox, you should check your computer for [http://en.wikipedia.org/wiki/Malware malware]. Certain types of malware are known to target Firefox and can prevent it from loading various websites: * If you have an antivirus or Internet security program, update its detections database and do a full scan of your system. * If you still have problems, you can get a second opinion by scanning your system with an online antivirus utility, such as [http://housecall.trendmicro.com/ TrendMicro Housecall] or [http://www.pandasecurity.com/homeusers/solutions/activescan/ Panda ActiveScan]. {/for} <!-- MZ credit --> <br/> <br/> '''''Based on information from [http://kb.mozillazine.org/Error_loading_websites Error loading websites (mozillaZine KB)]'''''

만약에 웹사이트에 접속시 오류가 있을 경우, "서버를 찾을 수 없습니다"라는 메시지를 만나게 됩니다. 본 문서는 그런 오류에 대한 문제 해결 방법을 안내 합니다.

• 다른 오류에 대한 문제 해결방법을 보실려면 웹 사이트 접속시 오류 를 참고하십시오.

다른 웹 브라우저 확인하기

먼저 다른 웹브라우저가 있는 경우 웹 사이트 접속 기능한지 확인 합니다.(예 Internet ExplorerSafariEpiphany).

• 만약 모든 웹 브라우저로 확인이 안된다면 다음 부분을 살펴 보십시오.
• 다른 웹 브라우저에서 웹 페이지가 보인다. Firefox만 웹 사이트 열기가 안됩니다 항목을 살펴 보십시오.

다른 웹브라우저로 이용 못하는 경우

Firefox 뿐만 아니라 다른 웹 브라우저로도 이용을 못하는 경우 운영 체제별로 아래 항목을 살펴 보십시오.:.

You should also check the following:You should begin by checking the following:

• Make sure you modem and/or router are both on and are not indicating errors.
• If you are using a wireless connection, make sure that you are connected to the right access point.
• Make sure your Internet security software (including firewalls, antivirus programs, anti-spyware programs, and more) is not blocking connections to the Internet. For instructions on how to configure some programs, see the Firefox의 인터넷 연결을 위한 방화벽 설정하기 article.
• If you use a proxy server, make sure that the proxy server can connect to the Internet. For instructions on configuring proxy settings in Firefox, see Firefox connection settings below.

Firefox cannot load websites but other browsers can

If Firefox cannot load websites, but your other browser can, follow the instructions below.

Cannot load websites after updating Firefox

If you were able to load websites until you updated Firefox, your Internet security software (including firewalls, antivirus programs, anti-spyware programs, and more) is likely preventing Firefox from connecting to the Internet. Some Internet security programs can block Internet access even when they are in a "disabled" state.

In general, you should remove Firefox from your program's list of trusted or recognized programs, then add it back. For instructions on how to configure some programs, see the Firefox의 인터넷 연결을 위한 방화벽 설정하기 article.

Firefox connection settings

If you connect to the Internet through a proxy server that is having connection problems, you will not be able to load websites. To check your Firefox proxy settings:

1. 화면 상단의 메뉴 바에서 Firefox를 클릭하고 설정을 선택하세요. 메뉴 버튼을 클릭하고 옵션설정을 선택하세요.메뉴 버튼을 클릭하고 설정을 선택하세요.

2. Select the Advanced panel.
3. Select the Network tab.
4. In the Connection section, click Settings....
5. Change your proxy settings:

• • If you don't connect to the Internet through a proxy (or don't know whether you connect through a proxy), select No Proxy.
  • If you connect to the Internet through a proxy, compare Firefox's settings to another browser's (Such as Internet Explorer. See Microsoft's guide to proxy settings) (Such as Safari. See Apple's guide to proxy settings).

1. Close the Connection Settings window.
2. 설정 페이지를 닫으세요. 변경된 내용은 자동으로 저장됩니다.

IPv6

Firefox supports IPv6 by default, which may cause connection problems on certain systems. To disable IPv6 in Firefox:

1. 주소창에 about:config를 입력하고 EnterReturn키를 누르세요.
   경고 페이지가 나타날 것입니다. about:config 페이지를 계속 사용하려면 위험을 감수하고 계속 진행 버튼을 클릭하세요.
2. In the Filter field, type network.dns.disableIPv6
3. In the list of preferences, double-click network.dns.disableIPv6 to change its value from false to true.

Firefox cannot load certain websites

If you find that Firefox can load some websites but not others, first clear your Firefox cookies and cache:

1. 메뉴 패널을 열려면 "fx57menu" 이미지가 없습니다. 메뉴 버튼을 클릭하세요.
2. 기록을 클릭하고 최근 기록 지우기…를 선택하세요.
3. 모두 삭제하시려면, 지우는 시간 범위: 메뉴에서 전체를 선택하세요.
4. 메뉴 아래에서 쿠키와 캐시를 모두 선택하세요. 유지하려는 다른 항목이 선택되지 않았는지 확인하세요.
5. 확인을지금 지우기를 클릭하세요.

Based on information from Error loading websites (mozillaZine KB)