Cholakwika 503. Chifukwa chiyani?

Inu pansi pa kompyuta download kuchokera mafilimu pa Intaneti kapena nyimbo. The injini kufufuza napatsidwanso malo, Kuwulura umene masamba kwathunthu limafanana ndi cholakalaka wanu. Inu kumadula ulalo yopita ku gawo wolakalakika wa pamalowo, koma ...

Cholakwika 503 ... An anadabwa zosasangalatsa, pomwe? Tsambali mwina yekha kumene nyimbo / mafilimu akhoza dawunilodi kwaulere. Ndipo apa pali bummer - n'zosatheka kupita. Konza, polimbikitsa tsamba - onse mofanana kudumpha Seva zolakwa 503. Anthu ena kusiya ntchito imeneyi ndipo akufunafuna zili pa malo ena. Ena amayesa kufuna funa chifukwa cha vutoli, kupitiliza kupewa kusamvetsetsana amenewa. Ndicho chifukwa ndidzawapereka kufotokoza lero zinthu lowetsani tsamba mawu akuti "Mphulupulu 503".

Kodi izi zikutanthauza chiyani? Izo zikumveka ngati kuti funso loyamba pakati amapunthwa pa tsamba ndi vutoli. Mutu wa cholakwa zikutanthauza kuti utumiki panopa sichikupezeka. Kotero, si kwa nthawi yaitali? Yankho la funso ngati malo adzakhala sakudziwika kwa nthawi yaitali kapena ayi, zimadalira mphamvu zake luso, komanso inuyo ndi anthu enanso a gwero la. Ayi, simungathe molakwa mawu, alendo a malo akhoza kukhala chifukwa cha cholakwa. Koma tiyeni onse mu dongosolo. Choncho, zinthu pa zenera ndi mutu "Mphulupulu 503" pali awiri - luso ndi wosuta.

Choyamba pali choncho, ngati tsamba kwachitika kulephera iliyonse, chifukwa chimene inu dinani kugwirizana wosuta amapita ku tsamba akusowekapo (mwachitsanzo, mongoyembekezera sizikuyenda MySQL Nawonso achichepere). Kenako malo woyang'anira malo pa malamulo tsamba cholakwa kuti pamene kulemba adiresi yeniyeni ndi malo kufufuza injini kuchotsedwa tsamba kuchokera muzotsatira, monga amaona kuti ndi osakhalitsa.

Komabe, 503 - kulakwitsa, nthawi zambiri chikwiyire ogwiritsa ntchito ndi mavuto zokhudza zonse makompyuta awo. Mmunsimu muli mndandanda wa zifukwa zofanana.

Kusamutsa owona lalikulu Php chinenero

Kusamutsa owona, muyenera kugwiritsa ntchito ndondomeko yapadera kusamalira mitsinje angapo nthawi imodzi, popanda okhudza Download liwiro.

mavuto njira wosuta

The magwiridwe a akonzedwa a zolembedwa zikalata sitolo zikhoza kuchitika kudzera malamulo mod_rewrite mu .htaccess file.

Kulumikiza ku Seva akumidzi

Muyenera kuika chete yaing'ono kudikira yankho ndipo onetsetsani kugwirizana kwa Seva kutali m'malo odalirika. Ngati zolembedwa za Php ntchito Onaninso ntchito katundu wa injini, yomwe ili pa nkhani ina, onetsetsani kuti ntchito si ulalo monga HTTP: // ..., ndi njira m'deralo. Kukhalapo ulalo amachititsa Seva kulenga pempholi zina HTTP - njirayi kubweza tsamba katundu nthawi.

A ambiri owonongedwa kapena "katundu" zigawo CMS

Onani mapulagini onse ndi mbali CMS, kuwapatutsa mu ima pamzere, akalandira wa owonongedwa kwambiri kapena "katundu" kuntchito lomwe kubweza pansi Download malo. Ngati mungathe, kukana zigawo zikuluzikulu kapena kufufuza mofulumira Anzawo. Komanso kuchotsa zigawo zonse zosafunika kuti sizigwiritsidwa ntchito mwa inu kapena ntchito yomwe si mokakamizidwa.

Long kuthamanga mwambo mambot (kwa Joomla)

Ngati pakati mambot amagwira kuti ikhoza kusunthidwa dongosolo cron, ndiyeno kuchichita. ntchito mambot zimagwiridwa ndi pempho wosuta, ndipo chifukwa cha pamalowo kapena kukopera sanachitike kapena akuchedwa kwambiri.

mndandanda yamakalata

makalata script ndi bwino kuika mu dongosolo cron (ofesi yake ili pa gulu kulamulira). Ndipo perekani izo kuthamanga pa nthawi ya katundu zing'onozing'ono pa makina (usiku). M'pofunika kuganizira zofooka mu zinthu mgwirizano-kupereka chiwerengero cha mauthenga pa ola / tsiku ndi nthawi ya script Php.

A ambiri zopempha makina

1. gwero lili limasonyeza kuti ochuluka zedi owona (kalembedwe mapepala JS-script, zithunzi) kuti akuwonjezeka payekha. Phatikizani chuma mu file limodzi pakufunika kutero.
2. malo ndi mbali, nthawi zina kutumiza AJAX zopempha makina (mwachitsanzo, kucheza). chiwerengero cha zopempha sadalira okha pa chiwerengero cha alendo, komanso totsegulira awo lotseguka angapo ndipo mazenera osatsegula.
3. Crawlers kuti imakwawa Websites Resources (Sape, injini kufufuza, etc.).
4. Kugwiritsa ntchito zinthu malembedwe kapena chuma pa malo ena (zolembedwa, zida kapena maulalo a zithunzi). Gwiritsani ntchito CIR gawo / zokonda.
5. Kuukira DDoS.

Ndi zifukwa zonse kutsegula tsamba limene limati "Mphulupulu 503". Monga mukuonera, mu izi ndiwo amachititsa osati Nawonso achichepere Seva, komanso alendo.