Changes for page Remote Access Gateway

Last modified by Kilight Cao on 2022/07/25 10:47
<
From version < 19.10 >
edited by Xiaoling
on 2022/05/31 15:55
To version < 2.2 >
edited by Xiaoling
on 2022/05/12 14:13
>
Change comment: There is no comment for this version

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Content
... ... @@ -3,27 +3,26 @@
3 3  {{toc/}}
4 4  
5 5  
6 += 1. Use Remote.it service =
6 6  
7 -= **1. Use Remote.it service** =
8 -
9 9  Remote.it for remote access is available in the latest Dragino firmware for gateway. For security concern, the remote.it only available base on end user demand.
10 10  
11 -(% style="color:red" %)**Important Notice:**
10 +(% class="mark" %)**Important Notice:**
12 12  
13 -(% style="color:red" %)* **Remote.it access will give full control of your device to remote support.**
14 -~* **The Remote.it allow Dragino Support to remote access to the device, If user want to access himself, it need to sign up for an remote.it account.**
12 +* (% class="mark" %)**Remote.it access will give full control of your device to remote support.**
13 +* (% class="mark" %)**The Remote.it allow Dragino Support to remote access to the device, If user want to access himself, it need to sign up for an remote.it account.**
15 15  
16 16  For how to use remoteit, please see : [[Remoteit user instruction for Dragino Gateway>>url:https://www.dragino.com/downloads/index.php?dir=LoRa_Gateway/&file=Dragino-Remoteit_User_Manual.pdf]].
17 17  
18 18  
19 -= **2. RSSH Introduction** =
18 += 2. RSSH Introduction =
20 20  
21 21  Reverse SSH for remote access is available in the latest Dragino firmware for gateway. For security concern, the RSSH only available base on end user demand.
22 22  
23 -(% style="color:red" %)**Important Notice:**
22 +(% class="mark" %)**Important Notice:**
24 24  
25 -(% style="color:red" %)* **RSSH access will give full control of your device to remote support. Please remove sensitivity info before perform this**
26 -~* **This RSSH allow Dragino Support to remote access to the device, If user want to access himself, he need to set up the RSSH server himself.**
24 +* (% class="mark" %)**RSSH access will give full control of your device to remote support. Please remove sensitivity info before perform this**
25 +* (% class="mark" %)**This RSSH allow Dragino Support to remote access to the device, If user want to access himself, he need to set up the RSSH server himself.**
27 27  
28 28  Below gateway support reverse SSH access:
29 29  
... ... @@ -35,27 +35,26 @@
35 35  * LIG16
36 36  * MS14 series if installed with the same firmware.
37 37  
37 +== 2.1 For Firmware Version lower than lgw~-~-build-v5.4.1616478814-20210323-1355 ==
38 38  
39 -== **2.1 For Firmware Version lower than lgw~-~-build-v5.4.1616478814-20210323-1355** ==
39 +=== 2.1.1 End User Guide to use SSH access ===
40 40  
41 -=== **2.1.1 End User Guide to use SSH access** ===
42 -
43 43  Go to this the Reverse SSH page as below:
44 44  
45 -[[image:image-20220527102348-1.png]]
43 +[[image:https://wiki.dragino.com/images/thumb/5/55/RSSH_Menu2.png/500px-RSSH_Menu2.png||height="256" width="500"]]
46 46  
47 47  Get the RSSH configure page
48 48  
49 49  
50 -[[image:image-20220527103251-2.png]]
48 +[[image:https://wiki.dragino.com/images/thumb/7/78/RSSH_Menu3.png/500px-RSSH_Menu3.png||height="313" width="500"]]
51 51  
52 52  Connection OK.
53 53  
54 -* (% style="color:#4f81bd" %)**Login ID**(%%): Input (% style="color:#4f81bd" %)**sshuser**
55 -* (% style="color:#4f81bd" %)**Host Address**(%%): Input** (% style="color:#4f81bd" %)support.dragino.com(%%)**
56 -* (% style="color:#4f81bd" %)**Host Port**(%%): Please email to support @ dragino.com to get a valid host port.
57 -* (% style="color:#4f81bd" %)**Connect at Startupt**(%%): Choose to enable connect once device is powered.
58 -* (% style="color:#4f81bd" %)**Network Keys:**(%%)Click the Generate keys to generate the keys and download / mail it to Dragino support so Dragino can prepare the remote access to
52 +* (% class="mark" %)**Login ID**(%%): Input (% class="mark" %)**sshuser**
53 +* (% class="mark" %)**Host Address**(%%): Input(% class="mark" %)** support.dragino.com**
54 +* (% class="mark" %)**Host Port**(%%): Please email to support @ dragino.com to get a valid host port.
55 +* (% class="mark" %)**Connect at Startupt**(%%): Choose to enable connect once device is powered.
56 +* (% class="mark" %)**Network Keys:**(%%)Click the Generate keys to generate the keys and download / mail it to Dragino support so Dragino can prepare the remote access to
59 59  
60 60  (((
61 61  After doing above, please download and mail the public keys to Dragino support and wait for our mail for the valid host port. Input the valid host port got from our support and click connect so we can remote access to your gateway.
... ... @@ -62,264 +62,221 @@
62 62  )))
63 63  
64 64  
65 -=== **2.1.2 How to Ser up a Reverse SSH access** ===
63 +=== 2.1.2 How to Ser up a Reverse SSH access ===
66 66  
67 67  Advance administrator can config a SSH server to provide support their end user themselves. Instruction is as below:
68 68  
69 69  1. Prepare a Linux server with public IP. The gateways need to be able to create SSH connection to this server. We recommend to use a server that performs no other function than to support the RSSH access, and to have no additional accounts active, and no access from the Internet that uses ID/password authentication.
70 -1. In the gateway settings, The (% style="color:#4f81bd" %)**Login ID**(%%) will be the SSH user for this server and the (% style="color:#4f81bd" %)**Host Address**(%%) is the server address.
68 +1. In the gateway settings, The Login ID will be the SSH user for this server and the Host Address is the server address.
71 71  1. Ask your end user to send you the key generate in the gateway and put them in /home/<Login ID>/.ssh/authorized_key file.
72 72  1. Give a free port to the user and ask them to configure RSSH page in the gateway.
73 73  1. In your server or other machine, you will able to access to the end user device by below command:
74 74  
75 -(% class="box" %)
76 -(((
77 -$ ssh   -p <End User Host Port>   root@<Host Address>
78 -)))
73 +{{{ $ ssh -p <End User Host Port> root@<Host Address>
74 +}}}
79 79  
80 -(((
81 -(% style="color:red" %)**Remote RSSH Access allow the gateway to connect to SSH server as well. This will create risk to the RSSH server. Please make sure the account use for Gateway Access has the lowest access right.**
82 -)))
76 +Remote RSSH Access allow the gateway to connect to SSH server as well. This will create risk to the RSSH server. Please make sure the account use for Gateway Access has the lowest access right.
83 83  
78 +==== 2.1.2.1 Note for set up RSSH server ====
84 84  
85 -==== **2.1.2.1 Note for set up RSSH server** ====
80 +* If gateway reboot or the connection is incidentely close by end node. The port in SSH server will still be occupy for a long time. Administrator can use below commands to release the port.
86 86  
87 -If gateway reboot or the connection is incidentely close by end node. The port in SSH server will still be occupy for a long time. Administrator can use below commands to release the port.
82 +{{{[root@iZt4n22vqvm7ajogrfiif6Z ~]# lsof -i :9102 --> check the port 9102 process status (change 9102 to the actually port for your gateway.
83 +COMMAND PID USER FD TYPE DEVICE SIZE/OFF NODE NAME
84 +sshd 21430 sshuser 15u IPv4 47567059 0t0 TCP localhost:bacula-fd (LISTEN)
85 +[root@iZt4n22vqvm7ajogrfiif6Z ~]# kill 21430 --> Kill PID of this process.
86 +[root@iZt4n22vqvm7ajogrfiif6Z ~]# lsof -i :9102
87 +[root@iZt4n22vqvm7ajogrfiif6Z ~]#
88 +}}}
88 88  
89 -(% class="box" %)
90 -(((
91 -[root@iZt4n22vqvm7ajogrfiif6Z ~~]# lsof -i :9102 ~-~-> check the port 9102 process status (change 9102 to the actually port for your gateway.
92 -COMMAND   PID    USER   FD   TYPE   DEVICE SIZE/OFF NODE NAME
93 -sshd    21430 sshuser   15u  IPv4 47567059      0t0  TCP localhost:bacula-fd (LISTEN)
94 -[root@iZt4n22vqvm7ajogrfiif6Z ~~]# kill 21430   ~-~-> Kill PID of this process.
95 -[root@iZt4n22vqvm7ajogrfiif6Z ~~]# lsof -i :9102        
96 -[root@iZt4n22vqvm7ajogrfiif6Z ~~]#
97 -)))
90 +== 2.2 For Firmware Version higher than lgw~-~-build-v5.4.1618196981-20210412-1111 ==
98 98  
99 -
100 -== **2.2 For Firmware Version higher than lgw~-~-build-v5.4.1618196981-20210412-1111** ==
101 -
102 102  Below gateway support reverse SSH access:
103 103  
104 -(% class="box" %)
105 -(((
106 -Firmware Version >lgw~-~-build-v5.4.1618196981-20210412-1111 Firmware Download
107 -LG01N, OLG01N (Note: LG01-P LG01-S doesn't support)
108 -LG02, OLG02
109 -LG308, DLOS8
110 -LPS8
111 -LIG16
112 -)))
94 +{{{ Firmware Version >lgw--build-v5.4.1618196981-20210412-1111 Firmware Download
95 + LG01N, OLG01N (Note: LG01-P LG01-S doesn't support)
96 + LG02, OLG02
97 + LG308, DLOS8
98 + LPS8
99 + LIG16
100 +}}}
113 113  
102 +=== 2.2.1 End User Guide to use SSH access ===
114 114  
115 -=== **2.2.1 End User Guide to use SSH access** ===
104 +==== 2.2.1.1 Install the SSH service for server ====
116 116  
117 -==== **2.2.1.1 Install the SSH service for server** ====
106 +===== 2.2.1.1.1 Step 1:Download the SSH service code =====
118 118  
119 -===== **2.2.1.1.1 Step 1 : Download the SSH service code** =====
120 -
121 121  1).git clone [[https:~~/~~/github.com/dragino/rssh-server.git>>url:https://github.com/dragino/rssh-server.git]] rssh-server
122 122  
123 -[[image:image-20220527105447-1.png]]
110 +[[image:https://wiki.dragino.com/images/thumb/d/d0/Git_clone.png/500px-Git_clone.png||height="80" width="500"]]
124 124  
125 125  git clone rssh-server
126 126  
127 -
128 128  2).cd rssh-server; sudo make ~-~--> to Generate the execute file：rssh_serv
129 129  
130 -[[image:image-20220527105511-2.png]]
116 +[[image:https://wiki.dragino.com/images/thumb/e/e3/Generate_the_execute_file.png/500px-Generate_the_execute_file.png||height="103" width="500"]]
131 131  
132 132  Generate the execute file
133 133  
134 -
135 135  **Debug** :
136 136  
137 -(% class="box" %)
138 -(((
139 -if you git fail.  ~-~->    (% style="color:#4f81bd" %)**sudo: git: command not found.**(%%)
140 -please install git.  ~-~->  (% style="color:#4f81bd" %)**yum install git -y  or  apt-get install git -y.**
141 -)))
122 +{{{ if you git fail. --> sudo: git: command not found.
123 + please install git. --> yum install git -y or apt-get install git -y.
124 +}}}
142 142  
143 -(% class="box" %)
144 -(((
145 -if you make error 127,it** (% style="color:#4f81bd" %)lack of gcc.(%%)**
146 -please install gcc.    ~-~->(% style="color:#4f81bd" %)**yum install gcc.**
147 -)))
126 +{{{ if you make error 127,it lack of gcc.
127 + please install gcc. -->yum install gcc.
128 +}}}
148 148  
149 -[[image:image-20220527105856-3.png]]
130 +[[image:https://wiki.dragino.com/images/d/d7/Lack_of_gcc.png||height="174" width="434"]]
150 150  
151 151  lack of gcc
152 152  
153 -(% class="box" %)
154 -(((
155 -if you make a fatal error : sqlite3.h,it (% style="color:#4f81bd" %)**lack of sqlite3.**(%%)
156 -please insatell (% style="color:#4f81bd" %)**sqlite3**.
157 -)))
134 +{{{ if you make a fatal error : sqlite3.h,it lack of sqlite3.
135 + please insatell sqlite3.
136 +}}}
158 158  
159 -[[image:image-20220527105918-4.png]]
138 +[[image:https://wiki.dragino.com/images/thumb/9/93/Lack_of_sqlite3.png/500px-Lack_of_sqlite3.png||height="137" width="500"]]
160 160  
161 161  lack of sqlite3
162 162  
163 -
164 164  How to install Sqlit3
165 165  
166 -(% class="box" %)
167 -(((
168 -Step1: Download the SQLit3 installation package
169 - sudo wget [[https:~~/~~/www.sqlite.org/2021/sqlite-autoconf-3350400.tar.gz>>url:https://www.sqlite.org/2021/sqlite-autoconf-3350400.tar.gz]]
170 -Step2: tar the SQLit3 installation package
144 +{{{ Step1:Download the SQLit3 installation package
145 + sudo wget
146 + Step2:tar the SQLit3 installation package
171 171   sudo tar -zxvf sqlite-autoconf-3350300.tar.gz
172 -Step3: Generate the makefile
148 + Step3:Generate the makefile
173 173   cd sqlite-autoconf-3350300/;./configure
174 -Step4: Compile makefile
150 + Step4:Compile makefile
175 175   sudo make
176 -Step5: Install makefile
152 + Step5:Install makefile
177 177   sudo make install
178 -Check:
179 - cd /usr/local/bin;ls -al                             ~-~->    Check to see if there is a file for sqlite3
180 - cd sqlite-autoconf-3350300/;./sqlite3 test.db        ~-~->    Test whether the sqlite3 was installed successfully
181 -debug:
154 + Check:
155 + cd /usr/local/bin;ls -al --> Check to see if there is a file for sqlite3
156 + cd sqlite-autoconf-3350300/;./sqlite3 test.db --> Test whether the sqlite3 was installed successfully
157 + debug:
182 182   If you get the imformation that is SQLite header and source version mismatch, when you execute./sqlite3 test.db.
183 183   Please execute the command /sbin/ldconfig.
184 184   After that execute the command ./sqlite3 test.db again.
185 -)))
161 +}}}
186 186  
163 +===== 2.2.1.1.2 Step 2 :Install and run the RSS service =====
187 187  
188 -===== **2.2.1.1.2 Step 2 : Install and run the RSS service** =====
165 +1):intall database for /var/rsshdb.sqlite3 and Server development port for 3721(The default is 3721)
189 189  
190 -1): intall database for /var/rsshdb.sqlite3 and Server development port for 3721(The default is 3721)
191 -
192 192  user must enter the root account and run the following commands
193 193  
194 -(% class="box" %)
195 -(((
196 - $ ./create_sqlite3_db.sh
197 - $ ./rssh_serv -p  3721 2>&1 &
198 - $ ps -ef | grep rssh_serv check 3721 port
199 -)))
169 +{{{ $ ./create_sqlite3_db.sh
170 + $ ./rssh_serv -p 3721 2>&1 &
171 + $ ps -ef | grep rssh_serv check 3721 port
172 +}}}
200 200  
201 -[[image:image-20220527110436-6.png]]
174 +[[image:https://wiki.dragino.com/images/thumb/c/cb/Intall_database_and_server_development_port.png/500px-Intall_database_and_server_development_port.png||height="70" width="500"]]
202 202  
203 203  intall database and server development port
204 204  
205 205  **Debug:**
206 206  
207 -(% class="box" %)
208 -(((
209 -Check /var/rsshdb.sqlite3 ~-~->(% style="color:#4f81bd" %)** ls /var/rsshdb.sqlite3**(%%)
210 -Check ls /var/rsshdb.sqlite3 ~-~-> (% style="color:#4f81bd" %)**sudo chmod 777 rssh_serv**
211 -)))
180 +{{{ Check /var/rsshdb.sqlite3 --> ls /var/rsshdb.sqlite3
181 + Check ls /var/rsshdb.sqlite3 --> sudo chmod 777 rssh_serv
182 +}}}
212 212  
213 -(% class="box" %)
214 -(((
215 -if** fail to open dpvlry or to bind to it**
216 -please kill rssh_serv,and run (% style="color:#4f81bd" %)** ./rssh_serv -p  3721 2>&1 &** (%%) again
217 -)))
184 +{{{ if fail to open dpvlry or to bind to it
185 + please kill rssh_serv,and run ./rssh_serv -p 3721 2>&1 & again
186 +}}}
218 218  
188 +===== 2.2.1.1.3 Step 3 :Create a minimal SSH user (reverse SSH proxy for the gateway) =====
219 219  
220 -===== **2.2.1.1.3 Step 3 : Create a minimal SSH user (reverse SSH proxy for the gateway)** =====
190 +1):sudo useradd XXXXX (custom user name)
221 221  
222 -**1): (% style="color:#4f81bd" %)sudo useradd XXXXX(%%)** (custom user name)
192 +2):sudo passwd xxxxxx
223 223  
224 -**2):** (% style="color:#4f81bd" %)**sudo passwd xxxxxx**
194 +3):cp /bin/bash /bin/rbash
225 225  
226 -**3):** (% style="color:#4f81bd" %)**cp /bin/bash /bin/rbash**
196 +4):sudo nano /etc/passwd ~-~-> Change /bin/bash to /bin/rbash
227 227  
228 -**4):** (% style="color:#4f81bd" %)**sudo nano /etc/passwd**(%%) ~-~-> Change /bin/bash to /bin/rbash
198 +5):sudo nano /home/xxxxx/.bashrc **empty it,and input export PATH=$HOME/bin**
229 229  
230 -**5):** (% style="color:#4f81bd" %)**sudo nano /home/xxxxx/.bashrc**(%%) **empty it,and input export PATH=$HOME/bin**
200 +6):sudo nano /home/xxxxx/.bash_profile **empty it,and input export PATH=$HOME/bin**
231 231  
232 -**6):** (% style="color:#4f81bd" %)**sudo nano /home/xxxxx/.bash_profile**(%%) **empty it,and input export PATH=$HOME/bin**
233 -
234 234  **Now user "XXXXX" is the user with limited permissions of the current system**
235 235  
204 +=== 2.2.2 How does user get the gateway to connect to a user's private server ===
236 236  
237 -=== **2.2.2 How does user get the gateway to connect to a user's private server** ===
206 +===== 2.2.2.1 Step1: Come bace the gateway web UI for get the gateway Public key =====
238 238  
239 -===== **2.2.2.1 Step 1 : Come bace the gateway web UI for get the gateway Public key** =====
208 +1)in the system ~-~-> Remote Mgmt/span>
240 240  
241 -1) in the system ~-~-> (% style="color:#4f81bd" %)**Remote Mgmt/span>**
210 +[[image:https://wiki.dragino.com/images/thumb/8/8f/Remote_Mgmt.png/500px-Remote_Mgmt.png||height="367" width="500"]]
242 242  
243 -[[image:image-20220527110531-7.png]]
244 -
245 245  Remote Mgmt
246 246  
214 +===== 2.2.2.2 Step2: Authorization server =====
247 247  
248 -===== **2.2.2.2 Step 2 : Authorization server** =====
249 -
250 250  copy the Gateway Publickey into user's private server "/home/XXXXX/.ssh/authorized_keys" file.
251 251  
252 -[[image:image-20220527110625-8.png]]
218 +[[image:https://wiki.dragino.com/images/thumb/4/49/Publickey.png/500px-Publickey.png||height="81" width="500"]]
253 253  
254 254  Publickey
255 255  
222 +===== 2.2.2.3 Step3: connecte private server =====
256 256  
257 -===== **2.2.2.3 Step 3 : connecte private server** =====
258 -
259 259  in the gateway web UI
260 260  
261 -[[image:image-20220527110700-9.png]]
226 +[[image:https://wiki.dragino.com/images/thumb/0/04/Gateway_web_UI.png/500px-Gateway_web_UI.png||height="389" width="500"]]
262 262  
263 263  gateway web UI
264 264  
265 -(% class="box" %)
266 -(((
267 -(% style="color:#4f81bd" %)**Connection Type **(%%) : If user's least privileged user with private server uses a password, select (% style="color:#4f81bd" %)**Public Key**(%%)
268 -**Note:if user's least privileged user no uses a password,choose from both is fine**
269 -(% style="color:#4f81bd" %)**Login ID**(%%)             : Input user name "eg : "XXXXX"
270 -(% style="color:#4f81bd" %)**Host Address**(%%)         : Input user's private server address
271 -(% style="color:#4f81bd" %)**Connect at Startupt**(%%): Choose to enable connect once device is powered.
230 +{{{Connection Type : If user's least privileged user with private server uses a password, select Public Key
231 +Note:if user's least privileged user no uses a password,choose from both is fine
232 +Login ID : Input user name "eg : "XXXXX"
233 +Host Address : Input user's private server address
234 +Connect at Startupt: : Choose to enable connect once device is powered.
272 272  Click Save and then Connect
273 -)))
236 +}}}
274 274  
238 +===== 2.2.2.4 Step 4 :Cheak is fine =====
275 275  
276 -===== **2.2.2.4 Step 4 : Cheak is fine** =====
277 -
278 278  Rssh Host connection Ok
279 279  
280 -[[image:image-20220527111009-10.png]]
242 +[[image:https://wiki.dragino.com/images/thumb/6/6f/Rssh_Host_connection_Ok.png/500px-Rssh_Host_connection_Ok.png||height="225" width="500"]]
281 281  
282 282  Rssh Host connection Ok
283 283  
284 -
285 285  user can use common ps | grep ssh to check it in the gateway.
286 286  
287 -[[image:image-20220527111041-11.png]]
248 +[[image:https://wiki.dragino.com/images/thumb/a/ad/Check_the_gateway.png/500px-Check_the_gateway.png||height="47" width="500"]]
288 288  
289 289  Check the gateway
290 290  
291 291  
292 -===== **2.2.2.5 Step 5 : Create an authorization key file** =====
253 +===== 2.2.2.5 Step5:Create an authorization key file =====
293 293  
294 294  1):sudo mkdir /home/xxxxx/.ssh; sudo touch /home/xxxxx/.ssh/authorizedkey
295 295  
296 296  **Debug:**
297 297  
298 -(% class="box" %)
299 -(((
300 - check: sudo ls /home/xxxxx/.ssh/authorizedkey
301 -)))
259 +{{{ check: sudo ls /home/xxxxx/.ssh/authorizedkey
260 +}}}
302 302  
262 +=== 2.2.3 How to Ser up a Reverse SSH access ===
303 303  
304 -=== **2.2.3 How to Ser up a Reverse SSH access** ===
264 +==== 2.2.3.1 Step1: Log into the server system ====
305 305  
306 -==== **2.2.3.1 Step1: Log into the server system** ====
266 +[[image:https://wiki.dragino.com/images/thumb/2/26/Loging_server.png/500px-Loging_server.png||height="69" width="500"]]
307 307  
308 -[[image:image-20220527111145-12.png]]
309 -
310 310  Loging server
311 311  
270 +==== 2.2.3.2 Step2:access the gateway ====
312 312  
313 -==== **2.2.3.2 Step2:access the gateway** ====
314 -
315 -(% class="box" %)
316 -(((
317 317  $ cd rssh-server/
318 -)))
319 319  
274 +
320 320  Check the gateway linking to the server $ ./connect-gw.sh -l
321 321  
322 -[[image:image-20220527111219-13.png]]
277 +[[image:https://wiki.dragino.com/images/thumb/e/ee/Check_gateway_link_server.png/500px-Check_gateway_link_server.png||height="157" width="500"]]
323 323  
324 324  Check the gateway linking to the server
325 325  
... ... @@ -326,6 +326,6 @@
326 326  
327 327  access the gateway $ ./connect-gw.sh <GWID>
328 328  
329 -[[image:image-20220527111300-14.png]]
284 +[[image:https://wiki.dragino.com/images/thumb/b/b7/Reverse_ssh_access_the_gateway1.png/500px-Reverse_ssh_access_the_gateway1.png||height="230" width="500"]]
330 330  
331 331  reverse ssh access the gateway
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