Rohde & Schwarz GP-E - Blocking Keywords in Mail Clients; Blocking Keywords in Webmail

Application Examples
R&S
®
GP-E/GP-S
203User Manual v16.2.1 ─ 01
Create a firewall rule with the Reject action. Open the "Decoders" tab to add a new
decoder with the following settings to prevent connections to a certain web host.
Table 4-3: Sample decoder settings to block connections to a web host.
Field Setting
"Protocol"
http
"Option"
requestHost
"Type"
string
"Left Anchor"
any
"Right Anchor"
any
"Expression" [hostname]
4.13.4 Blocking Keywords in Webmail
An HTTP protocol decoder can be used to block email sent via web-based email ser-
vices.
Create a firewall rule with the Reject action. Open the "Decoders" tab to add a new
decoder with the following settings to prevent sending email with a certain keyword via
web-based email services (such as outlook.com).
Table 4-4: Sample decoder settings to block a keyword in webmail.
Field Setting
"Protocol"
http
"Option"
requestBody
"Type"
string
"Left Anchor"
any
"Right Anchor"
any
"Expression" [keyword]
4.13.5 Blocking Keywords in Mail Clients
An SMTP protocol decoder can be used to block email containing specified keywords
sent via email programs.
Create a firewall rule with the Reject action. Open the "Decoders" tab to add a new
decoder with the following settings to prevent sending email with a certain keyword via
a local email client program (such as Microsoft Outlook).
Table 4-5: Sample decoder settings to block a keyword in mail clients.
Field Setting
"Protocol"
smtp
"Option"
imf-body
Decoder Examples