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1		- **Table of Contents:**
	1	+ **Contents:**
2	2
3	3	{{toc/}}
4	4
5	5
	6	+= 1. Use Remote.it service =
6	6
7		-= **1. Use Remote.it service** =
8		-
9		-
10	10	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.
11	11
12	12	(% style="color:red" %)**Important Notice:**
...	...	@@ -17,9 +17,8 @@
17	17	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]].
18	18
19	19
20		-= **2. RSSH Introduction** =
	18	+= 2. RSSH Introduction =
21	21
22		-
23	23	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.
24	24
25	25	(% style="color:red" %)**Important Notice:**
...	...	@@ -37,13 +37,10 @@
37	37	* LIG16
38	38	* MS14 series if installed with the same firmware.
39	39
	37	+== 2.1 For Firmware Version lower than lgw~-~-build-v5.4.1616478814-20210323-1355 ==
40	40
	39	+=== 2.1.1 End User Guide to use SSH access ===
41	41
42		-
43		-== **2.1 For Firmware Version lower than lgw~-~-build-v5.4.1616478814-20210323-1355** ==
44		-
45		-=== **2.1.1 End User Guide to use SSH access** ===
46		-
47	47	Go to this the Reverse SSH page as below:
48	48
49	49	[[image:image-20220527102348-1.png]]
...	...	@@ -55,11 +55,11 @@
55	55
56	56	Connection OK.
57	57
58		-* (% style="color:#4f81bd" %)**Login ID**(%%): Input (% style="color:#4f81bd" %)**sshuser**
59		-* (% style="color:#4f81bd" %)**Host Address**(%%): Input** (% style="color:#4f81bd" %)support.dragino.com(%%)**
60		-* (% style="color:#4f81bd" %)**Host Port**(%%): Please email to support @ dragino.com to get a valid host port.
61		-* (% style="color:#4f81bd" %)**Connect at Startupt**(%%): Choose to enable connect once device is powered.
62		-* (% 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
63	63
64	64	(((
65	65	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.
...	...	@@ -66,12 +66,12 @@
66	66	)))
67	67
68	68
69		-=== **2.1.2 How to Ser up a Reverse SSH access** ===
	63	+=== 2.1.2 How to Ser up a Reverse SSH access ===
70	70
71	71	Advance administrator can config a SSH server to provide support their end user themselves. Instruction is as below:
72	72
73	73	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.
74		-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 (% class="mark" %)**Login ID**(%%) will be the SSH user for this server and the (% class="mark" %)**Host Address**(%%) is the server address.
75	75	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.
76	76	1. Give a free port to the user and ask them to configure RSSH page in the gateway.
77	77	1. In your server or other machine, you will able to access to the end user device by below command:
...	...	@@ -82,11 +82,11 @@
82	82	)))
83	83
84	84	(((
85		-(% 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.**
	79	+(% class="mark" %)**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.**
86	86	)))
87	87
88	88
89		-==== **2.1.2.1 Note for set up RSSH server** ====
	83	+==== 2.1.2.1 Note for set up RSSH server ====
90	90
91	91	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.
92	92
...	...	@@ -101,7 +101,7 @@
101	101	)))
102	102
103	103
104		-== **2.2 For Firmware Version higher than lgw~-~-build-v5.4.1618196981-20210412-1111** ==
	98	+== 2.2 For Firmware Version higher than lgw~-~-build-v5.4.1618196981-20210412-1111 ==
105	105
106	106	Below gateway support reverse SSH access:
107	107
...	...	@@ -116,15 +116,15 @@
116	116	)))
117	117
118	118
119		-=== **2.2.1 End User Guide to use SSH access** ===
	113	+=== 2.2.1 End User Guide to use SSH access ===
120	120
121		-==== **2.2.1.1 Install the SSH service for server** ====
	115	+==== 2.2.1.1 Install the SSH service for server ====
122	122
123		-===== **2.2.1.1.1 Step 1 : Download the SSH service code** =====
	117	+===== 2.2.1.1.1 Step 1:Download the SSH service code =====
124	124
125	125	1).git clone [[https:~~/~~/github.com/dragino/rssh-server.git>>url:https://github.com/dragino/rssh-server.git]] rssh-server
126	126
127		-[[image:image-20220527105447-1.png]]
	121	+[[image:https://wiki.dragino.com/images/thumb/d/d0/Git_clone.png/500px-Git_clone.png||height="80" width="500"]]
128	128
129	129	git clone rssh-server
130	130
...	...	@@ -131,40 +131,38 @@
131	131
132	132	2).cd rssh-server; sudo make ~-~--> to Generate the execute file：rssh_serv
133	133
134		-[[image:image-20220527105511-2.png]]
	128	+[[image:https://wiki.dragino.com/images/thumb/e/e3/Generate_the_execute_file.png/500px-Generate_the_execute_file.png||height="103" width="500"]]
135	135
136	136	Generate the execute file
137	137
138		-
139	139	**Debug** :
140	140
141	141	(% class="box" %)
142	142	(((
143		-if you git fail.  ~-~->    (% style="color:#4f81bd" %)**sudo: git: command not found.**(%%)
144		-please install git.  ~-~->  (% style="color:#4f81bd" %)**yum install git -y  or  apt-get install git -y.**
	136	+if you git fail.  ~-~->    (% class="mark" %)**sudo: git: command not found.**(%%)
	137	+please install git.  ~-~->    (% class="mark" %)**yum install git -y  or  apt-get install git -y. **
145	145	)))
146	146
147	147	(% class="box" %)
148	148	(((
149		-if you make error 127,it** (% style="color:#4f81bd" %)lack of gcc.(%%)**
150		-please install gcc.    ~-~->(% style="color:#4f81bd" %)**yum install gcc.**
	142	+if you make error 127,it** (% class="mark" %)lack of gcc.(%%)**
	143	+please install gcc.    ~-~->(% class="mark" %)**yum install gcc.**
151	151	)))
152	152
153		-[[image:image-20220527105856-3.png]]
	146	+[[image:https://wiki.dragino.com/images/d/d7/Lack_of_gcc.png||height="174" width="434"]]
154	154
155	155	lack of gcc
156	156
157	157	(% class="box" %)
158	158	(((
159		-if you make a fatal error : sqlite3.h,it (% style="color:#4f81bd" %)**lack of sqlite3.**(%%)
160		-please insatell (% style="color:#4f81bd" %)**sqlite3**.
	152	+if you make a fatal error : sqlite3.h,it (% class="mark" %)**lack of sqlite3.**(%%)
	153	+please insatell **sqlite3**.
161	161	)))
162	162
163		-[[image:image-20220527105918-4.png]]
	156	+[[image:https://wiki.dragino.com/images/thumb/9/93/Lack_of_sqlite3.png/500px-Lack_of_sqlite3.png||height="137" width="500"]]
164	164
165	165	lack of sqlite3
166	166
167		-
168	168	How to install Sqlit3
169	169
170	170	(% class="box" %)
...	...	@@ -189,9 +189,9 @@
189	189	)))
190	190
191	191
192		-===== **2.2.1.1.2 Step 2 : Install and run the RSS service** =====
	184	+===== 2.2.1.1.2 Step 2 :Install and run the RSS service =====
193	193
194		-1): intall database for /var/rsshdb.sqlite3 and Server development port for 3721(The default is 3721)
	186	+1):intall database for /var/rsshdb.sqlite3 and Server development port for 3721(The default is 3721)
195	195
196	196	user must enter the root account and run the following commands
197	197
...	...	@@ -202,7 +202,7 @@
202	202	$ ps -ef | grep rssh_serv check 3721 port
203	203	)))
204	204
205		-[[image:image-20220527110436-6.png]]
	197	+[[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"]]
206	206
207	207	intall database and server development port
208	208
...	...	@@ -210,78 +210,78 @@
210	210
211	211	(% class="box" %)
212	212	(((
213		-Check /var/rsshdb.sqlite3 ~-~->(% style="color:#4f81bd" %)** ls /var/rsshdb.sqlite3**(%%)
214		-Check ls /var/rsshdb.sqlite3 ~-~-> (% style="color:#4f81bd" %)**sudo chmod 777 rssh_serv**
	205	+Check /var/rsshdb.sqlite3 ~-~->(% class="mark" %)** ls /var/rsshdb.sqlite3**(%%)
	206	+Check ls /var/rsshdb.sqlite3 ~-~-> (% class="mark" %)**sudo chmod 777 rssh_serv**
215	215	)))
216	216
217	217	(% class="box" %)
218	218	(((
219	219	if** fail to open dpvlry or to bind to it**
220		-please kill rssh_serv,and run (% style="color:#4f81bd" %)** ./rssh_serv -p  3721 2>&1 &** (%%) again
	212	+please kill rssh_serv,and run (% class="mark" %)** ./rssh_serv -p  3721 2>&1 &** (%%) again
221	221	)))
222	222
223	223
224		-===== **2.2.1.1.3 Step 3 : Create a minimal SSH user (reverse SSH proxy for the gateway)** =====
	216	+===== 2.2.1.1.3 Step 3 :Create a minimal SSH user (reverse SSH proxy for the gateway) =====
225	225
226		-**1): (% style="color:#4f81bd" %)sudo useradd XXXXX(%%)** (custom user name)
	218	+1):(% class="mark" %)**sudo useradd XXXXX**(%%) (custom user name)
227	227
228		-**2):** (% style="color:#4f81bd" %)**sudo passwd xxxxxx**
	220	+2):(% class="mark" %)**sudo passwd xxxxxx**
229	229
230		-**3):** (% style="color:#4f81bd" %)**cp /bin/bash /bin/rbash**
	222	+3):(% class="mark" %)**cp /bin/bash /bin/rbash**
231	231
232		-**4):** (% style="color:#4f81bd" %)**sudo nano /etc/passwd**(%%) ~-~-> Change /bin/bash to /bin/rbash
	224	+4):(% class="mark" %)**sudo nano /etc/passwd**(%%) ~-~-> Change /bin/bash to /bin/rbash
233	233
234		-**5):** (% style="color:#4f81bd" %)**sudo nano /home/xxxxx/.bashrc**(%%) **empty it,and input export PATH=$HOME/bin**
	226	+5):(% class="mark" %)**sudo nano /home/xxxxx/.bashrc**(%%) **empty it,and input export PATH=$HOME/bin**
235	235
236		-**6):** (% style="color:#4f81bd" %)**sudo nano /home/xxxxx/.bash_profile**(%%) **empty it,and input export PATH=$HOME/bin**
	228	+6):(% class="mark" %)**sudo nano /home/xxxxx/.bash_profile**(%%) **empty it,and input export PATH=$HOME/bin**
237	237
238	238	**Now user "XXXXX" is the user with limited permissions of the current system**
239	239
240	240
241		-=== **2.2.2 How does user get the gateway to connect to a user's private server** ===
	233	+=== 2.2.2 How does user get the gateway to connect to a user's private server ===
242	242
243		-===== **2.2.2.1 Step 1 : Come bace the gateway web UI for get the gateway Public key** =====
	235	+===== 2.2.2.1 Step1: Come bace the gateway web UI for get the gateway Public key =====
244	244
245		-1) in the system ~-~-> (% style="color:#4f81bd" %)**Remote Mgmt**
	237	+1)in the system ~-~-> (% class="mark" %)**Remote Mgmt/span>**
246	246
247		-[[image:image-20220527110531-7.png]]
	239	+[[image:https://wiki.dragino.com/images/thumb/8/8f/Remote_Mgmt.png/500px-Remote_Mgmt.png||height="367" width="500"]]
248	248
249	249	Remote Mgmt
250	250
251	251
252		-===== **2.2.2.2 Step 2 : Authorization server** =====
	244	+===== 2.2.2.2 Step2: Authorization server =====
253	253
254	254	copy the Gateway Publickey into user's private server "/home/XXXXX/.ssh/authorized_keys" file.
255	255
256		-[[image:image-20220527110625-8.png]]
	248	+[[image:https://wiki.dragino.com/images/thumb/4/49/Publickey.png/500px-Publickey.png||height="81" width="500"]]
257	257
258	258	Publickey
259	259
260	260
261		-===== **2.2.2.3 Step 3 : connecte private server** =====
	253	+===== 2.2.2.3 Step3: connecte private server =====
262	262
263	263	in the gateway web UI
264	264
265		-[[image:image-20220527110700-9.png]]
	257	+[[image:https://wiki.dragino.com/images/thumb/0/04/Gateway_web_UI.png/500px-Gateway_web_UI.png||height="389" width="500"]]
266	266
267	267	gateway web UI
268	268
269	269	(% class="box" %)
270	270	(((
271		-(% style="color:#4f81bd" %)**Connection Type **(%%) : If user's least privileged user with private server uses a password, select (% style="color:#4f81bd" %)**Public Key**(%%)
	263	+(% class="mark" %)**Connection Type **(%%) : If user's least privileged user with private server uses a password, select (% class="mark" %)**Public Key**(%%)
272	272	**Note:if user's least privileged user no uses a password,choose from both is fine**
273		-(% style="color:#4f81bd" %)**Login ID**(%%)             : Input user name "eg : "XXXXX"
274		-(% style="color:#4f81bd" %)**Host Address**(%%)         : Input user's private server address
275		-(% style="color:#4f81bd" %)**Connect at Startupt**(%%): Choose to enable connect once device is powered.
	265	+(% class="mark" %)**Login ID**(%%)             : Input user name "eg : "XXXXX"
	266	+(% class="mark" %)**Host Address**(%%)         : Input user's private server address
	267	+(% class="mark" %)**Connect at Startupt**(%%): Choose to enable connect once device is powered.
276	276	Click Save and then Connect
277	277	)))
278	278
279	279
280		-===== **2.2.2.4 Step 4 : Cheak is fine** =====
	272	+===== 2.2.2.4 Step 4 :Cheak is fine =====
281	281
282	282	Rssh Host connection Ok
283	283
284		-[[image:image-20220527111009-10.png]]
	276	+[[image:https://wiki.dragino.com/images/thumb/6/6f/Rssh_Host_connection_Ok.png/500px-Rssh_Host_connection_Ok.png||height="225" width="500"]]
285	285
286	286	Rssh Host connection Ok
287	287
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288	288
289	289	user can use common ps | grep ssh to check it in the gateway.
290	290
291		-[[image:image-20220527111041-11.png]]
	283	+[[image:https://wiki.dragino.com/images/thumb/a/ad/Check_the_gateway.png/500px-Check_the_gateway.png]]
292	292
293	293	Check the gateway
294	294
295	295
296		-===== **2.2.2.5 Step 5 : Create an authorization key file** =====
	288	+===== 2.2.2.5 Step5:Create an authorization key file =====
297	297
298	298	1):sudo mkdir /home/xxxxx/.ssh; sudo touch /home/xxxxx/.ssh/authorizedkey
299	299
...	...	@@ -304,26 +304,22 @@
304	304	check: sudo ls /home/xxxxx/.ssh/authorizedkey
305	305	)))
306	306
	299	+=== 2.2.3 How to Ser up a Reverse SSH access ===
307	307
308		-=== **2.2.3 How to Ser up a Reverse SSH access** ===
	301	+==== 2.2.3.1 Step1: Log into the server system ====
309	309
310		-==== **2.2.3.1 Step 1 : Log into the server system** ====
	303	+[[image:https://wiki.dragino.com/images/thumb/2/26/Loging_server.png/500px-Loging_server.png||height="69" width="500"]]
311	311
312		-[[image:image-20220527111145-12.png]]
313		-
314	314	Loging server
315	315
316	316
317		-==== **2.2.3.2 Step 2 : access the gateway** ====
	308	+==== 2.2.3.2 Step2:access the gateway ====
318	318
319		-(% class="box" %)
320		-(((
321	321	$ cd rssh-server/
322		-)))
323	323
324	324	Check the gateway linking to the server $ ./connect-gw.sh -l
325	325
326		-[[image:image-20220527111219-13.png]]
	314	+[[image:https://wiki.dragino.com/images/thumb/e/ee/Check_gateway_link_server.png/500px-Check_gateway_link_server.png||height="157" width="500"]]
327	327
328	328	Check the gateway linking to the server
329	329
...	...	@@ -330,6 +330,6 @@
330	330
331	331	access the gateway $ ./connect-gw.sh <GWID>
332	332
333		-[[image:image-20220527111300-14.png]]
	321	+[[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"]]
334	334
335	335	reverse ssh access the gateway

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