AT+i Programmer's Manual - SE Spezial-Electronic AG

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Firmware Version: ~RP1~ Serial Number: ~RP5~ Hardware Version: ~RP0~ 26.10 Security and Restrictions iChip Embedded Web Server The authorization to view and update iChip‘s configuration parameters, firmware, or application website via the web can be password-protected using the <strong>AT+i</strong>RPG parameter (Remote Parameter Group/Password). When the RPG parameter in an iChip device contains a value, it is considered a password that restricts remote iChip parameter viewing/updates. By default, iChip‘s configuration site can be viewed (browsed), unless the Security Disable Mode (SDM) bit 3 is set, in which case the user is authenticated by submitting the RPG value. To enable remote updates, a distant user is always authenticated by submitting that value. The iChip configuration site includes an authentication form that automatically pops up on the remote browser when parameter updates are attempted. The password submitted through this form must match the actual value of iChip‘s local RPG parameter. Otherwise, remote value updates are rejected. iChip uses the industry standard SHA1 algorithm to authenticate the remote user. According to SHA1, the password typed into the authentication form is not literally communicated back to iChip. Rather, a SHA1-encrypted token is transferred. To achieve this, iChip‘s web server sends a JavaScript, which calculates SHA1 encryption at the browser end together with the authentication form. iChip also issues a different random number, used as part of the encryption key, each time authentication is required, to eliminate the possibility of impersonation based on eavesdropping to a legal authentication session. If the RPG parameter is empty (<strong>AT+i</strong>RPG=‗‘), remote iChip configuration parameter update is fully restricted. In other words, it is not possible to update configuration parameter values using a remote browser. Conversely, if the RPG parameter contains an (*) character (match any), the configuration parameters can be updated freely, without requiring authentication at all. The Parameter Tags defined in the application website are secured from remote updates in the same manner as the iChip configuration parameters. In this case, the authentication password is stored in iChip‘s local parameter WPWD (Web Password). If the WPWD parameter contains a value, a remote user needs to issue this value as an authentication password in order to gain update access to the application level Parameter Tags. Like in the case of the RPG parameter, if WPWD is empty, application level Parameter Tags are fully restricted, whereas when WPWD contains an (*), updates are unrestricted and authentication is not required. When authentication is required, iChip‘s web server automatically issues an authentication form to the remote browser in response to an attempt to update Parameter
iChip Embedded Web Server Tags. This procedure allows the application site to include HTML submit instances anywhere in the website without worrying about the authentication process. Authentication is automatically activated depending on the local value of the WPWD parameter. Authentication needs to be submitted only once per session in order to enable browsing, Parameter Tags, or iChip configuration updates. In addition, authentication automatically expires after 10 minutes of inactivity. 26.11 Parameter Update Error Handling An attempt to assign an illegal value to a parameter will fail and a string containing the relevant error message will be stored in a special iChip Parameter Tag named WST (Web Server Status). This value can be displayed in the page as any other parameter value (using ~WST~). For Example: Update Error Message: ~WST~ 26.12 File Types Supported by iChip’s Web Server The following files can include parameter tags: .HTM, .HTML, .JS, .VBS, .INC, .STM, .XML, .XSL, .HTC,.CSS, .WML, .WMLS, .XHTML The following files cannot include parameter tags: .CLASS, .GIF, .JPG, .PDF, .DOC, .PPT, .BMP, .XLS, .WMLC, .WMLSC, .WBMP
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Pub. No. 20-5000-08_21, January 200
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Revision History 20-5000-08_21 Revi
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Contents 10.1 +IWWW — ACTIVATE EM
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Contents 25.3 HEADER PARAMETER NAME
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Contents 33.4.5 +iRDL — Number of
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Contents 33.17.2 +iDSLT — DHCP Se
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Tables Tables Table 2-1 AT+i Comman
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AT+i Command Set If a syntax error
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2 General Format AT+i[[ | #UFn]…]
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General Format Command Function Par
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General Format Command Function Par
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AT+i Result Code Summary 85 RESERVE
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4 Report Status 4.1 +iRPi — Repor
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Report Option Format 10 I/(, , , )
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5 Connection 5.1 +iBDRA — Forces
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5.3 +iTUP — Triggered Internet Se
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5.4 +iDOWN — Terminate Internet S
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6 E-mail Send Commands E-mail Send
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Notes: E-mail Send Commands I/OK If
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7 E-Mail Retrieve 7.1 +iRML — Ret
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7.3 +iRMM — Retrieve Mail Message
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E-Mail Receive (RMM) Flow Diagram I
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-or- specified. HTTP Client Interfa
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9 SerialNET Mode Initiation 9.1 +iS
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10 Web Server Interface 10.1 +iWWW
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11 File Transfer Protocol (FTP) 11.
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11.3 +iFDNL — FTP Directory Names
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11.5 +iFCWD — FTP Change Working
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11.7 +iFRCV — FTP Receive File Sy
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11.9 +iFAPN — FTP Open File for A
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11.11 +iFCLF — FTP Close File Syn
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11.13 +iFCLS — FTP Close Session
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12.2 +iTRCV — Telnet Receive Data
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12.4 +iTBSN[%] — Telnet Send A By
Page 69 and 70: 12.6 +iTCLS — Telnet Close Sessio
Page 71 and 72: 13.2 +iSUDP — Open A Connectionle
Page 73 and 74: Direct Socket Interface 13.4 +iLSST
Page 75 and 76: 13.6 +iSCS — Get A Socket Connect
Page 77 and 78: Result Code: Direct Socket Interfac
Page 79 and 80: Direct Socket Interface I/ERROR If
Page 81 and 82: 13.10 +iSDMP — Dump Socket Buffer
Page 83 and 84: 13.12 +iSCLS — Close Socket Synta
Page 85 and 86: 15 Wireless LAN Mode Wireless LAN M
Page 87 and 88: 16 IP Registration IP Registration
Page 89 and 90: 17 DHCP Client DHCP Client A DHCP c
Page 91 and 92: 19 Ad-Hoc Networks Ad-Hoc Networks
Page 93 and 94: 20 Secure Socket Protocol Secure So
Page 95 and 96: Secure Socket Protocol When the AT+
Page 97 and 98: 20.6 +i[@]FOPS — Secure FTP Open
Page 99 and 100: 22 MIME Encapsulated E-Mail Message
Page 101 and 102: 22.3 MIME-Encapsulated E-Mail Messa
Page 103 and 104: The control characters are defined
Page 105 and 106: 23.3 Software Flow Control During A
Page 107 and 108: 23.5 Host iChip Hardware Flow Cont
Page 109 and 110: Remote Firmware Update 2. If the do
Page 111 and 112: 25 iChip Parameter Update 25.1 Intr
Page 113 and 114: 25.4 Uploading A Parameters Update
Page 115 and 116: 26.3 Web Server Modes Two web serve
Page 117 and 118: 26.7 Host Interaction Mode iChip Em
Page 119: ~headline~ iChip Embedded Web Ser
Page 123 and 124: 27.3 RAS Theory of Operation iChip
Page 125 and 126: 28 SerialNET Theory of Operation 28
Page 127 and 128: SerialNET Theory of Operation bytes
Page 129 and 130: SerialNET Theory of Operation If th
Page 131 and 132: Accumulate Quiet Time 29.5 FTP Rece
Page 133 and 134: Secure Socket Protocol Theory of Op
Page 135 and 136: [ CA_default_policy ] commonName =
Page 137 and 138: Secure Socket Protocol Theory of Op
Page 139 and 140: Remote AT+i Service iChip LAN will
Page 141 and 142: Nonvolatile Parameter Database Para
Page 147 and 148: 33.3 Operational Parameters 33.3.1
Page 149 and 150: 33.3.3 +iMIS — Modem Initializati
Page 151 and 152: 2. AT+iMIS=‖ 3. AT+iBDRF=3 4. AT+
Page 153 and 154: 33.3.6 +iTTO — TCP Timeout Syntax
Page 155 and 156: 33.3.8 +iMPS — Max PPP Packet Siz
Page 157 and 158: Nonvolatile Parameter Database 33.3
Page 159 and 160: Nonvolatile Parameter Database 33.3
Page 161 and 162: 33.3.14 +iFLW — Set Flow Control
Page 163 and 164: 33.3.16 +iPSE — Set Power Save Mo
Page 165 and 166: 33.3.18 +iDF — IP Protocol ‘Don
Page 167 and 168: 33.4 ISP Connection Parameters 33.4
Page 169 and 170: 33.4.3 +iUSRN — Define Connection
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33.4.5 +iRDL — Number of Times to
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33.5 Server Profile Parameters 33.5
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33.5.3 +iSMTP — Define SMTP Serve
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Nonvolatile Parameter Database 33.5
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33.5.7 +iPOP3 — Define POP3 Serve
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33.7 Email Format Parameters Nonvol
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33.7.4 +iDELF — Email Delete Filt
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33.7.6 +iTOA — Define Primary Add
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33.7.8 +iREA — Return Email Addre
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33.7.10 +iCCn — Define Alternate
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33.7.12 +iMST — Media Subtype Str
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33.8 HTTP Parameters Nonvolatile Pa
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33.9 RAS Server Parameters Nonvolat
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33.9.3 +iRAP — Password for RAS A
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33.10.2 +iDIP — iChip Default IP
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33.10.4 +iIPG — IP Address of the
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33.11 Wireless LAN Parameters 33.11
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33.11.3 +iWLWM — Wireless LAN WEP
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33.11.5 +iWLKn — Wireless LAN WEP
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33.11.7 +iWLPP — Personal Shared
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33.12 IP Registration Parameters No
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33.16 Secure Socket Protocol Parame
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33.16.3 +iCERT — Define SSL3/TLS1
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33.17 DHCP Server Parameters Nonvol
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34 Appendix A 34.1 MIME content typ
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Type Subtype image jpeg gif ief g3f
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MT=0 MST=‖text-plain‖ # CONNECT
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37 Index +i!RP11 - Ad-Hoc Network R
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Header Parameter Names and Values .
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