TFTP
DHCP Server
SMTP
DNS
HTTP
HTTPS
FTP Control
Telnet
DHCP Client
FTP Data
SSH
POP
IMAP
443
69
143
20
67
53
80
23
68
21
25
110
22
Telnet
DHCP CLIENT
DHCP SERVER
IMAP
DNS
SSH
SMTP
LDAP
SMTP
NETBIOS
HTTPS
HTTP
POP
FTP Data
443
25
110
53
20
22
143
67
25
23
139 138 137
68
80
389
Didi Chuxing
Ride-hailing
China
Data
Expansion
Safety
Uber
Mobility
Competitor
Company name
Priority for didi
On-demand transportation
Transportation options
Global growth
Valuable resource
Country of origin
