What if I can only use one certificate file?
If your hosting platform or company tells you that you can only use one certificate file, then you can combine your server certificate with the intermediate file.
- Website & Email
- All website & email securityStart here if you are not sure which one you need
- One websiteexample.com and www.example.com
- A site and all its subdomainsshop., blog., app. — however many you add later
- Several separate domainsexample.com, example.co.uk, another-brand.com
- Domains and their subdomainsThe widest coverage a single certificate can give
- Business validated (OV)Your registered company name inside the certificate
- Extended validation (EV)Strictest vetting, largest warranty, for checkouts
- Email signing (S/MIME)Prove a message came from you and encrypt it
- Devices & Servers
- All device & server securityRead this first if you are buying for hardware
- Firewalls, VPN & routersFortiGate, SonicWall, Palo Alto, pfSense, Cisco ASA
- Voice: PBX, UCM & SBCCisco UCM, IP-PBX, session border controllers, SIP
- Mail servers & webmailExchange, autodiscover, smtp, imap, Microsoft 365
- Intranet & internal appsStaff portals, dashboards and app servers on one domain
- NAS, hypervisor & consolesSynology, QNAP, VMware, Proxmox, iLO, iDRAC
- Web & app serversIIS, Apache, Nginx, Tomcat and load balancers
- Ask us to map an estateSend your hostname list and we will price it up
- SSL Brands
- Digital Signature
- All signing certificatesSign software, documents, filings and email
- Code signingStop the “unknown publisher” warning on installers
- E-Mudhra DSCMCA21, income tax, GST, EPFO and e-tenders, on a USB token
- Adobe validated PDF signatureEmbed a verifiable signature in PDFs
- Comodo personal signature (CPAC)S/MIME email signing and client-certificate login
- Certum IDBusiness email identity certificates
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