D-Link DWS-4026 [375/741] Downloading ssl certificates

SSL/SecureHTTPConfiguration

D-Link UnifiedWiredandWirelessAccessSystem

November2011 Page375

D‐LinkUWSUserManual

FortheWebserverontheswitchtoacceptHTTPSconnectionsfromamanagementstation,theWebserver

needsapublickeycertificate.TheDWS‐4000Seriesswitchswitchhasaself‐generatedcertificateinstalledon

itbydefault.Theswitchcanalsogenerateitsowncertificates,oryoucangeneratethe

seexternally(i.e.,off‐

line)anddownloadthemtotheswitch.

GeneratingCertificates

Tohavetheswitchgeneratethecertificates:

1. ClickGenerateCertificate.

Thepagerefresheswiththemessage“Certificategenerationinprogress”.

2. ClickSubmittocompletetheprocess.

Thepagerefresheswiththemessage“Nocertificategenerationinprogress”andtheCertificatePresent

fielddisplaysas“True”.

DownloadingSSLCertificates

Beforeyoudownloadafiletotheswitch,thefollowingconditionsmustbetrue:

•ThefiletodownloadfromtheTFTPserverisontheserverintheappropriatedirectory.

•Thefileisinthecorrectformat.

•TheswitchhasapathtotheTFTPserver.

UsethefollowingprocedurestodownloadanSSLcertific

ate.

1. ClicktheDownloadCertificatesbuttonatthebottomofthepage.

TheDownloadCertificatesbuttonlinkstotheFileDownloadpage,asFigure258onpage376shows.

HTTPSSessionHardTimeout SetsthehardtimeoutforHTTPSsessions.Thistimeoutisunaffectedbythe

activitylevelofthesession.Thev

aluemustbeintherangeof(1to168)hours.

Thedefaultvalueis24hours.Thecurrentlyconfiguredvalueisshownwhen

thewebpageisdisplayed.

MaximumNumberofHTTPS

Sessions

SetsthemaximumallowablenumberofHTTPSsessions.Thevaluemustbein

therangeof(0to16).Thedef

aultvalueis16.Thecurrentlyconfiguredvalue

isshownwhenthewebpageisdisplayed.

Note:TheDownloadCertificatesbuttonisonlyavailableiftheHTTPSadminmodeisdisabled.Ifthe

modeisenabled,disableitandclickSubmit.Whenthepagerefreshes,theDownloadCertificates

buttonappears.

Table220:SecureHTTPConfigurationFields(Cont.)

Field Description