ZyXEL LTE5121 User Guide - Page 127

The Services Screen

Page 127 highlights

Figure 85 Security > Firewall > General Chapter 12 Firewall The following table describes the labels in this screen. Table 46 Security > Firewall > General LABEL Firewall Easy, Medium, High DESCRIPTION Select Enable to activate the firewall. The LTE Device performs access control and protects against Denial of Service (DoS) attacks when the firewall is activated. Select Easy to have the firewall allow both LAN-to-WAN and WAN-to-LAN traffic to flow through the LTE Device. Select Medium to have the firewall only allow traffic sent from the LAN to the WAN. All access and traffic originating from the WAN will be blocked. Apply Cancel Select High to have the firewall only allow Telnet, FTP, HTTP, HTTPS, DNS, POP3, and SMTP traffic sent from the LAN to the WAN. Other traffic will be blocked. Click Apply to save your changes. Click Cancel to restore your previously saved settings. 12.3 The Services Screen Use this screen to view the configured service list. To access this screen, click Security > Firewall > Services. You have to configure at least one service in this screen before configuring the Security > Firewall > Access Control > Add New ACL Rule/Edit screen. Note: These rules specify which computers on the LAN can access which computers or services on the WAN. Figure 86 Security > Firewall > Services LTE-5121 User's Guide 127

  • 1
  • 2
  • 3
  • 4
  • 5
  • 6
  • 7
  • 8
  • 9
  • 10
  • 11
  • 12
  • 13
  • 14
  • 15
  • 16
  • 17
  • 18
  • 19
  • 20
  • 21
  • 22
  • 23
  • 24
  • 25
  • 26
  • 27
  • 28
  • 29
  • 30
  • 31
  • 32
  • 33
  • 34
  • 35
  • 36
  • 37
  • 38
  • 39
  • 40
  • 41
  • 42
  • 43
  • 44
  • 45
  • 46
  • 47
  • 48
  • 49
  • 50
  • 51
  • 52
  • 53
  • 54
  • 55
  • 56
  • 57
  • 58
  • 59
  • 60
  • 61
  • 62
  • 63
  • 64
  • 65
  • 66
  • 67
  • 68
  • 69
  • 70
  • 71
  • 72
  • 73
  • 74
  • 75
  • 76
  • 77
  • 78
  • 79
  • 80
  • 81
  • 82
  • 83
  • 84
  • 85
  • 86
  • 87
  • 88
  • 89
  • 90
  • 91
  • 92
  • 93
  • 94
  • 95
  • 96
  • 97
  • 98
  • 99
  • 100
  • 101
  • 102
  • 103
  • 104
  • 105
  • 106
  • 107
  • 108
  • 109
  • 110
  • 111
  • 112
  • 113
  • 114
  • 115
  • 116
  • 117
  • 118
  • 119
  • 120
  • 121
  • 122
  • 123
  • 124
  • 125
  • 126
  • 127
  • 128
  • 129
  • 130
  • 131
  • 132
  • 133
  • 134
  • 135
  • 136
  • 137
  • 138
  • 139
  • 140
  • 141
  • 142
  • 143
  • 144
  • 145
  • 146
  • 147
  • 148
  • 149
  • 150
  • 151
  • 152
  • 153
  • 154
  • 155
  • 156
  • 157
  • 158
  • 159
  • 160
  • 161
  • 162
  • 163
  • 164
  • 165
  • 166
  • 167
  • 168
  • 169
  • 170
  • 171
  • 172
  • 173
  • 174
  • 175
  • 176
  • 177
  • 178
  • 179
  • 180
  • 181
  • 182
  • 183
  • 184
  • 185
  • 186
  • 187
  • 188
  • 189
  • 190
  • 191
  • 192
  • 193
  • 194
  • 195
  • 196
  • 197
  • 198
  • 199
  • 200
  • 201
  • 202
  • 203
  • 204
  • 205
  • 206
  • 207
  • 208
  • 209
  • 210
  • 211
  • 212
  • 213
  • 214
  • 215
  • 216
  • 217
  • 218
  • 219
  • 220
  • 221
  • 222
  • 223
  • 224
  • 225
  • 226
  • 227
  • 228
  • 229
  • 230
  • 231
  • 232
  • 233
  • 234

Chapter 12 Firewall
LTE-5121 User’s Guide
127
Figure 85
Security > Firewall > General
The following table describes the labels in this screen.
12.3
The Services Screen
Use this screen to view the configured service list. To access this screen, click
Security > Firewall
> Services
. You have to configure at least one service in this screen before configuring the
Security > Firewall > Access Control > Add New ACL Rule/Edit
screen.
Note: These rules specify which computers on the LAN can access which computers or
services on the WAN.
Figure 86
Security > Firewall > Services
Table 46
Security > Firewall > General
LABEL
DESCRIPTION
Firewall
Select
Enable
to activate the firewall. The LTE Device performs access control
and protects against Denial of Service (DoS) attacks when the firewall is
activated.
Easy, Medium,
High
Select
Easy
to have the firewall allow both LAN-to-WAN and WAN-to-LAN traffic
to flow through the LTE Device.
Select
Medium
to have the firewall only allow traffic sent from the LAN to the
WAN. All access and traffic originating from the WAN will be blocked.
Select
High
to have the firewall only allow Telnet, FTP, HTTP, HTTPS, DNS, POP3,
and SMTP traffic sent from the LAN to the WAN. Other traffic will be blocked.
Apply
Click
Apply
to save your changes.
Cancel
Click
Cancel
to restore your previously saved settings.